Physics › Modern Physics
Modern Physics Questions
1590 questions across 7 subtopics — with step-by-step solutions.
Atomic structure(538)
- In a hypothetical hydrogen atom the electr... | | TestHub
- For a hydrogen atom, the ratio of the larg... | Physics | TestHub
- The frequency of revolution of the electro... | Physics | TestHub
- Arrange the following in the ascending ord... | Physics | TestHub
- Assuming the validity of Bohr's atomic mod... | Physics | TestHub
- Given below are two statements : one is la... | Physics | TestHub
- Energy liberated in the de-excitation of h... | Physics | TestHub
- A charged particle of charge q and mass m... | Physics | TestHub
- A particle of mass m is dropped on an elas... | Physics | TestHub
- A non-relativistic particle of mass m is h... | Physics | TestHub
- A block of mass m is oscillating on a smoo... | Physics | TestHub
- Given below are two statements:Assertion (... | Physics | TestHub
- A hydrogen atom, initially at rest in its... | Physics | TestHub
- If energy is required to ionize the hydrog... | Physics | TestHub
- If the binding energy of the electron in a... | Physics | TestHub
- In which of the following systems will the... | Physics | TestHub
- Assertion : Bohr had to postulate that the... | Physics | TestHub
- Assertion : A tube light emits white light... | Physics | TestHub
- Which of the following atoms has the lowes... | Physics | TestHub
- The wavelengths involved in the spectrum o... | Physics | TestHub
- Assertion : In He-Ne laser, population inv... | Physics | TestHub
- The Bohr model of atoms:NEET 2004 | Physics | TestHub
- The manifestation of band structure in sol... | Physics | TestHub
- Energy of a hydrogen atom with principal q... | Physics | TestHub
- The diagram shows the energy levels for an... | Physics | TestHub
- Energy levels and of a certain action corr... | Physics | TestHub
- The ground state energy of hydrogen atom i... | Physics | TestHub
- The total energy of an electron in the fir... | Physics | TestHub
- The transition of an electrom from . to gi... | Physics | TestHub
- Ionization potential of hydrogen atom is .... | Physics | TestHub
- The ground state energy of hydrogen atom i... | Physics | TestHub
- What is the angular momentum of an electro... | Physics | TestHub
- Vidicon works on the principle of | Physics | TestHub
- The longest wavelength that can be analyse... | Physics | TestHub
- If the wavelength of the line of Lyman ser... | Physics | TestHub
- An alpha nucleus of energy bombards a heav... | Physics | TestHub
- From figure shown below a series LCR circu... | Physics | TestHub
- What is the energy of electron in first or... | Physics | TestHub
- Which of the following transitions in hydr... | Physics | TestHub
- The largest wavelength in the ultraviolet... | Physics | TestHub
- The total energy of electron in the ground... | Physics | TestHub
- Twelve wires of each of resistance 6 ohms... | Physics | TestHub
- Two electrons one moving in opposite direc... | Physics | TestHub
- The ground state energy of hydrogen atom i... | Physics | TestHub
- Paragraph:In a mixture of gas is singly io... | Physics | TestHub
- An electron microscope is used to probe th... | Physics | TestHub
- Suppose an electron is attracted towards t... | Physics | TestHub
- Assertion : It is essential that all the l... | Physics | TestHub
- Paragraph:In a mixture of gas is singly io... | Physics | TestHub
- The ground state energy of hydrogen atom i... | Physics | TestHub
- Paragraph:In a mixture of gas is singly io... | Physics | TestHub
- In a Rutherford scattering experiment when... | Physics | TestHub
- Paragraph:When a particle is restricted to... | Physics | TestHub
- Paragraph:When a particle is restricted to... | Physics | TestHub
- The ionization energy of the electron in t... | Physics | TestHub
- The wavelengths of -rays for lead isotopes... | Physics | TestHub
- The ionization energy of the electron in t... | Physics | TestHub
- Paragraph:When a particle is restricted to... | Physics | TestHub
- The transition from the state to in a hydr... | Physics | TestHub
- In a Rutherford scattering experiment when... | Physics | TestHub
- The electron in the hydrogen atom jumps fr... | Physics | TestHub
- An arc of radius carries charge. The linea... | Physics | TestHub
- Paragraph: The key feature of Bohr's theor... | Physics | TestHub
- Paragraph: The key feature of Bohr's theor... | Physics | TestHub
- What would be maximum wavelength for Brack... | Physics | TestHub
- The wavelength of Lymen series for first n... | Physics | TestHub
- Paragraph:The key feature of Bohr's theory... | Physics | TestHub
- Using an AC voltmeter the potential differ... | Physics | TestHub
- In a double slit experiment, dark fringe i... | Physics | TestHub
- The energy of a hydrogen atom in the groun... | Physics | TestHub
- What would be the radius of second orbit o... | Physics | TestHub
- The series corresponding to minimum wavele... | Physics | TestHub
- Out of the following which one is not a po... | Physics | TestHub
- The wavelength of the first spectral line... | Physics | TestHub
- The wavelength of the first line of Lyman... | Physics | TestHub
- The values and of spin quantum number show | Physics | TestHub
- Energy required for the electron excitatio... | Physics | TestHub
- The frequency of incident light falling on... | Physics | TestHub
- A diatomic molecule is made of two masses... | Physics | TestHub
- Ionisation energy of Li (Lithium) atom in... | Physics | TestHub
- Hydrogen atom is excited from ground state... | Physics | TestHub
- An electron of a stationary hydrogen atom... | Physics | TestHub
- In the Rutherford experiment, -particles a... | Physics | TestHub
- A doubly ionised atom is excited from its... | Physics | TestHub
- A hypothetical atom has only three energy... | Physics | TestHub
- Assertion :Bohr's atomic model cannot be u... | Physics | TestHub
- Total energy of the electron in hydrogen a... | Physics | TestHub
- If hydrogen atom is its ground state absor... | Physics | TestHub
- Assertion:Total energy of electron in an h... | Physics | TestHub
- The transition from the state to in a hydr... | Physics | TestHub
- Electron in hydrogen atom first jumps from... | Physics | TestHub
- The electron of a hydrogen atom makes a tr... | Physics | TestHub
- Which of the plots shown in the figure rep... | Physics | TestHub
- When a certain metallic surface is illumin... | Physics | TestHub
- Ratio of longest wavelengths corresponding... | Physics | TestHub
- In the Bohr's model of hydrogen-like atom... | Physics | TestHub
- In a hydrogen like atom electron makes tra... | Physics | TestHub
- Ratio of longest wavelengths corresponding... | Physics | TestHub
- A electron beam is used to bombard gaseous... | Physics | TestHub
- The radius of the orbit of an electron in... | Physics | TestHub
- An electron in hydrogen atom makes a trans... | Physics | TestHub
- In the Bohr model an electron moves in a c... | Physics | TestHub
- As the electron in Bohr's orbit of hydroge... | Physics | TestHub
- Orbits of a particle moving in a circle ar... | Physics | TestHub
- Hydrogen (1H1), Deuterium (1H2), singly io... | Physics | TestHub
- If the electron in the hydrogen atom jumps... | Physics | TestHub
- If the wavelength of line of Balmer series... | Physics | TestHub
- A triply ionized beryllium has the same or... | Physics | TestHub
- If the binding energy of the electron in a... | Physics | TestHub
- The radiation corresponding totransition o... | Physics | TestHub
- Hydrogen atom in ground state is excited b... | Physics | TestHub
- Match the List-I (Phenomenon associated wi... | Physics | TestHub
- In hydrogen discharge tube, it is observed... | Physics | TestHub
- When a hydrogen atom is raised from ground... | Physics | TestHub
- As an electron makes a transition from an... | Physics | TestHub
- If one were to apply the Bohr model to a p... | Physics | TestHub
- Total energy of an electron in hydrogen at... | Physics | TestHub
- In the spectrum of hydrogen, the ratio of... | Physics | TestHub
- Consider third orbit of (helium), using no... | Physics | TestHub
- The angular momentum of an electron in Boh... | Physics | TestHub
- Ionisation potential of hydrogen atom is .... | Physics | TestHub
- A neutron moving with speed v makes a head... | Physics | TestHub
- The wavelength of an electron for transiti... | Physics | TestHub
- Assertion: Electrons in the atom are held... | Physics | TestHub
- A hydrogen atom is in an excited state of... | Physics | TestHub
- A hydrogen atom in its ground state is irr... | Physics | TestHub
- If an electron in a hydrogen atom jumps fr... | Physics | TestHub
- A neutron moving with a speed 'v' makes a... | Physics | TestHub
- An electron in a hydrogen atom makes a tra... | Physics | TestHub
- Given the value of Rydberg constant is, th... | Physics | TestHub
- Highly excited states for hydrogen like at... | Physics | TestHub
- A hydrogen atom is in ground state. Then t... | Physics | TestHub
- Some energy levels of a molecule are shown... | Physics | TestHub
- An electron in a hydrogen atom undergoes a... | Physics | TestHub
- According to Bohr's theory, the time avera... | Physics | TestHub
- The acceleration of an electron in the fir... | Physics | TestHub
- The ratio of wavelengths of the last line... | Physics | TestHub
- An electron makes a transition from an exc... | Physics | TestHub
- The energy required to remove the electron... | Physics | TestHub
- In hydrogen atom, electron excites from gr... | Physics | TestHub
- In a hydrogen like atom electron makes tra... | Physics | TestHub
- Muon is negatively charged with a mass , w... | Physics | TestHub
- The energy required to remove the electron... | Physics | TestHub
- Electron in hydrogen atom first jumps from... | Physics | TestHub
- Two electrons are moving with non-relativi... | Physics | TestHub
- An electron from various excited states of... | Physics | TestHub
- Consider a hydrogen-like ionized atom with... | Physics | TestHub
- The ratio of radii of the first three Bohr... | Physics | TestHub
- The ratio of kinetic energy to the total e... | Physics | TestHub
- If the series limit frequency of the Lyman... | Physics | TestHub
- Both the nucleus and the atom of some elem... | Physics | TestHub
- is the frequency of the series limit of Ly... | Physics | TestHub
- The largest wavelength in the ultraviolet... | Physics | TestHub
- A hydrogen atom, initially in the ground s... | Physics | TestHub
- Radiation coming from transitionstoof hydr... | Physics | TestHub
- The ratio of the energies of the hydrogen... | Physics | TestHub
- An excitedion emits two photons in success... | Physics | TestHub
- is given to in orbit, then find its final... | Physics | TestHub
- A free hydrogen atom after absorbing a pho... | Physics | TestHub
- In a Frank - Hertz experiment, an electron... | Physics | TestHub
- Taking the wavelength of first Balmer line... | Physics | TestHub
- The electron in a hydrogen atom first jump... | Physics | TestHub
- In,electron in first Bohr orbit is excited... | Physics | TestHub
- In a hydrogen like atom, when an electron... | Physics | TestHub
- The radius of the first permitted Bohr orb... | Physics | TestHub
- A particle of massmoves in a circular orbi... | Physics | TestHub
- Aion is in its first excited state. Its io... | Physics | TestHub
- The total energy of an electron in an atom... | Physics | TestHub
- The total energy of an electron in thestat... | Physics | TestHub
- A nucleus splits into two nuclear parts wh... | Physics | TestHub
- The energy required to ionise a hydrogen l... | Physics | TestHub
- For which one of the following, Bohr model... | Physics | TestHub
- In the line spectra of hydrogen atom, diff... | Physics | TestHub
- The time period of revolution of electron... | Physics | TestHub
- A particle of massmoves in circular orbits... | Physics | TestHub
- The first member of the Balmer series of h... | Physics | TestHub
- In a hydrogen atom the electron makes a tr... | Physics | TestHub
- A free electron ofenergy collides with aio... | Physics | TestHub
- Imagine that the electron in a hydrogen at... | Physics | TestHub
- A particular hydrogen like ion emits radia... | Physics | TestHub
- The wavelength of the photon emitted by a... | Physics | TestHub
- A particle of massmoves in a circular orbi... | Physics | TestHub
- According to Bohr atom model, in which of... | Physics | TestHub
- The radiation corresponding totransition o... | Physics | TestHub
- In Bohr's atomic model, the electron is as... | Physics | TestHub
- different wavelength may be observed in th... | Physics | TestHub
- Which level of the single ionized carbon h... | Physics | TestHub
- Ifandare the wavelengths of the third memb... | Physics | TestHub
- The recoil speed of a hydrogen atom after... | Physics | TestHub
- The atomic hydrogen emits a line spectrum... | Physics | TestHub
- Which of the following statement(s) is (ar... | Physics | TestHub
- In the given figure, the energy levels of... | Physics | TestHub
- If an electron is moving in theorbit of th... | Physics | TestHub
- The first three spectral lines of-atom in... | Physics | TestHub
- TheX-ray of molybdenum has wavelength. If... | Physics | TestHub
- Letandbe the energy of an electron in the... | Physics | TestHub
- A hydrogen atom in its ground state absorb... | Physics | TestHub
- In a hydrogen spectrumbe the wavelength of... | Physics | TestHub
- In Bohr's atomic model of hydrogen, letand... | Physics | TestHub
- is the ratio of energies of photons produc... | Physics | TestHub
- The minimum wavelength in Lymann series of... | Physics | TestHub
- Choose the correct option from the followi... | Physics | TestHub
- Which of the following figure represents t... | Physics | TestHub
- Let be the radius of the second stationary... | Physics | TestHub
- A beam of monochromatic light is used to e... | Physics | TestHub
- Hydrogen atom from excited state comes to... | Physics | TestHub
- Given below are two statementsStatement I:... | Physics | TestHub
- Find the ratio of energies of photons prod... | Physics | TestHub
- The momentum of an electron revolving inor... | Physics | TestHub
- andare the impact parameters corresponding... | Physics | TestHub
- Read the following statements:(A) Volume o... | Physics | TestHub
- The ratio for the speed of the electron in... | Physics | TestHub
- What is the ground state energy of positro... | Physics | TestHub
- In hydrogen spectrum, the shortest wavelen... | Physics | TestHub
- Speed of an electron in Bohr’sorbit for Hy... | Physics | TestHub
- Aelectron beam is used to bombard gaseous... | Physics | TestHub
- The wavelength of the radiation emitted is... | Physics | TestHub
- The radius of fifth orbit ofisTake: radius... | Physics | TestHub
- As per given figure and are the first, sec... | Physics | TestHub
- The ground state energy of hydrogen atom i... | Physics | TestHub
- A monochromatic light is incident on a hyd... | Physics | TestHub
- The mass of proton, neutron and helium nuc... | Physics | TestHub
- The radius of electron's second stationary... | Physics | TestHub
- The radius of inner most orbit of hydrogen... | Physics | TestHub
- The ratio of wavelength of spectral linesa... | Physics | TestHub
- The energy ofion in its first state is, (T... | Physics | TestHub
- A photon is emitted in transition fromleve... | Physics | TestHub
- The energy levels of an atom is shown is f... | Physics | TestHub
- Nucleus a havingand equal number of proton... | Physics | TestHub
- The energy levels of an hydrogen atom are... | Physics | TestHub
- Ifbe the lowest wavelength of Lyman series... | Physics | TestHub
- If the electron in hydrogen atom jumps fro... | Physics | TestHub
- An electron of a hydrogen like atom, havin... | Physics | TestHub
- The angular momentum of an electron moving... | Physics | TestHub
- An atom absorbs a photon of wavelengthand... | Physics | TestHub
- The radius oforbit ofof Bohr's model isand... | Physics | TestHub
- A light of energyis incident on a hydrogen... | Physics | TestHub
- For hydrogen atom, and are the wavelengths... | Physics | TestHub
- The wavelength of Lyman series of hydrogen... | Physics | TestHub
- The angular momentum for the electron in B... | Physics | TestHub
- In Franck-Hertz experiment, the first dip... | Physics | TestHub
- The radius of third stationary orbit of el... | Physics | TestHub
- If the wavelength of the first member of L... | Physics | TestHub
- Some energy levels of a molecule are shown... | Physics | TestHub
- An electron of hydrogen atom on an excited... | Physics | TestHub
- The mass defect in a particular reaction i... | Physics | TestHub
- The angular momentum of an electron in a h... | Physics | TestHub
- If Rydberg's constant is, the longest wave... | Physics | TestHub
- The ratio of the magnitude of the kinetic... | Physics | TestHub
- In an alpha particle scattering experiment... | Physics | TestHub
- An electron rotates in a circle around a n... | Physics | TestHub
- An electron revolving inBohr orbit has mag... | Physics | TestHub
- Given below are two statements:Statement I... | Physics | TestHub
- When a hydrogen atom going fromtoemits a p... | Physics | TestHub
- A particular hydrogen - like ion emits the... | Physics | TestHub
- Radius of a certain orbit of hydrogen atom... | Physics | TestHub
- The minimum energy required by a hydrogen... | Physics | TestHub
- Hydrogen atom is bombarded with electrons... | Physics | TestHub
- According to Bohr's theory, the moment of... | Physics | TestHub
- The ratio of the shortest wavelength of Ba... | Physics | TestHub
- The longest wavelength associated with Pas... | Physics | TestHub
- The ratio of minimum wavelengths of Balmer... | Physics | TestHub
- A particle of mass is moving in a circular... | Physics | TestHub
- Given below are two statements: Statement... | Physics | TestHub
- A hydrogen atom changes its state from to... | Physics | TestHub
- A hydrogen atom in ground state is given a... | Physics | TestHub
- The shortest wavelength of the spectral li... | Physics | TestHub
- The spectral series which corresponds to t... | Physics | TestHub
- Match List I with List II. \begin{array}{|... | Physics | TestHub
- In a hydrogen like ion, the energy differe... | Physics | TestHub
- An electron in the hydrogen atom initially... | Physics | TestHub
- Given below are two statements : one is la... | Physics | TestHub
- Arrange the following in the ascending ord... | Physics | TestHub
- A hydrogen atom, initially at rest in its... | Physics | TestHub
- Assuming the validity of Bohr's atomic mod... | Physics | TestHub
- Considering Bohr's atomic model for hydrog... | Physics | TestHub
- During the transition of electron from sta... | Physics | TestHub
- The number of spectral lines emitted by at... | Physics | TestHub
- Considering the Bohr model of hydrogen lik... | Physics | TestHub
- An electron projected perpendicular to a u... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- The frequency of revolution of the electro... | Physics | TestHub
- De-Broglie wavelength of an electron orbit... | Physics | TestHub
- For a hydrogen atom, the ratio of the larg... | Physics | TestHub
- A particle of mass is moving around the or... | Physics | TestHub
- Consider an electron in the orbit of a hyd... | Physics | TestHub
- In Geiger-Marsden experiment, the number o... | Physics | TestHub
- In the first excited state of hydrogen ato... | Physics | TestHub
- Consider that an electron is revolving in... | Physics | TestHub
- At room temperature, when white light is p... | Physics | TestHub
- Find the mass ratio M_{D} / M_{H} of deute... | Physics | TestHub
- According to Bohr's theory, the moment of... | Physics | TestHub
- The energy levels of an atom is shown is f... | Physics | TestHub
- Ionisation potential of the hydrogen atom... | Physics | TestHub
- Energy levels A, B and C of a certain atom... | Physics | TestHub
- The figure shows four curves showing the v... | Physics | TestHub
- The angular momentum for the electron in B... | Physics | TestHub
- Hydrogen atom is excited from ground state... | Physics | TestHub
- The binding energy of a H-atom, considerin... | Physics | TestHub
- An electron in the hydrogen atom initially... | Physics | TestHub
- A hypothetical atom has only three energy... | Physics | TestHub
- The angular momentum of an electron in the... | Physics | TestHub
- In Franck-Hertz experiment, the first dip... | Physics | TestHub
- Suppose the electron in a hydrogen atom ma... | Physics | TestHub
- An electron revolving in Bohr orbit has ma... | Physics | TestHub
- The momentum of an electron revolving in o... | Physics | TestHub
- The ratio of electrostatic potential energ... | Physics | TestHub
- The angular momentum of an electron in a h... | Physics | TestHub
- Which of the following represent the veloc... | Physics | TestHub
- In the Bohr model of the atom, if a, b and... | Physics | TestHub
- A electron beam is used to bombard gaseous... | Physics | TestHub
- A hydrogen atom emits blue light when it c... | Physics | TestHub
- If elements with principal quantum number... | Physics | TestHub
- Which of the following curves may represen... | Physics | TestHub
- The ratio of the magnitude of the kinetic... | Physics | TestHub
- An electron in a hydrogen atom makes a tra... | Physics | TestHub
- Which of the following parameters are the... | Physics | TestHub
- Speed of an electron in Bohr’s orbit... | Physics | TestHub
- Some energy levels of a molecule are shown... | Physics | TestHub
- The energy level diagram of a hypothetical... | Physics | TestHub
- Hydrogen atom is bombarded with electrons... | Physics | TestHub
- A particle of mass moves in a circular orb... | Physics | TestHub
- A hydrogen atom and a \mathrm{Li}^{++} ion... | Physics | TestHub
- In a hydrogen like ion, the energy differe... | Physics | TestHub
- The ionization potential of hydrogen is 13... | Physics | TestHub
- If Rydberg's constant is , the longest wav... | Physics | TestHub
- Consider the radiation emitted by large nu... | Physics | TestHub
- In the line spectra of hydrogen atom, diff... | Physics | TestHub
- The ratio for the speed of the electron in... | Physics | TestHub
- The lowest energy that a hydrogen like ato... | Physics | TestHub
- A sample of hydrogen atom is made to reson... | Physics | TestHub
- An orbital electron in the ground state of... | Physics | TestHub
- different wavelength may be observed in th... | Physics | TestHub
- According to Bohr's theory, the ratio of t... | Physics | TestHub
- If the potential energy is taken zero at g... | Physics | TestHub
- If a singly ionized helium atom in an \mat... | Physics | TestHub
- Find the ratio between centripetal acceler... | Physics | TestHub
- The atomic hydrogen emits a line spectrum... | Physics | TestHub
- In which of the following systems will the... | Physics | TestHub
- The wavelengths involved in the spectrum o... | Physics | TestHub
- A particular hydrogen - like ion emits the... | Physics | TestHub
- According to Bohr atom model, in which of... | Physics | TestHub
- The ratio of the shortest wavelength of Ba... | Physics | TestHub
- A hydrogen atom in its ground state absorb... | Physics | TestHub
- The magnitude of angular momentum, kinetic... | Physics | TestHub
- Considering Bohr's atomic model for hydrog... | Physics | TestHub
- The recoil speed of a hydrogen atom after... | Physics | TestHub
- A force of attraction between the positive... | Physics | TestHub
- When the hydrogen atom gets to its lowest... | Physics | TestHub
- Orbits of a particle moving in a circle ar... | Physics | TestHub
- The radius of fifth orbit of is Take: radi... | Physics | TestHub
- In a Frank - Hertz experiment, an electron... | Physics | TestHub
- The total energy of an electron in the exc... | Physics | TestHub
- The wavelength of the photon emitted by a... | Physics | TestHub
- The time period of revolution of electron... | Physics | TestHub
- As one considers orbits with higher values... | Physics | TestHub
- The frequency of revolution of the electro... | Physics | TestHub
- A single electron orbits a stationary nucl... | Physics | TestHub
- Which of the following statement is correc... | Physics | TestHub
- The ionization energy of 10 times ionized... | Physics | TestHub
- The diagram shows the energy levels for an... | Physics | TestHub
- In the spectrum of hydrogen, what is the r... | Physics | TestHub
- An electron of mass m_{e} and charge -e(e>... | Physics | TestHub
- An electron of kinetic energy 10 eV collid... | Physics | TestHub
- If and are the wavelengths of the third me... | Physics | TestHub
- If energy is required to ionize the hydrog... | Physics | TestHub
- When light from a hydrogen discharge tube... | Physics | TestHub
- In a hydrogen like atom, when an electron... | Physics | TestHub
- In the Bohr model an electron moves in a c... | Physics | TestHub
- Given below are two statementsStatement I:... | Physics | TestHub
- The longest wavelength associated with Pas... | Physics | TestHub
- The first three spectral lines of -atom in... | Physics | TestHub
- A hydrogen atom in ground state absorbs a... | Physics | TestHub
- Three ions \mathrm{H}^{+}, \mathrm{He}^{+}... | Physics | TestHub
- Taking the wavelength of first Balmer line... | Physics | TestHub
- A diatomic molecule is made of two masses... | Physics | TestHub
- When white light is passed through hydroge... | Physics | TestHub
- An electron orbiting around the nucleus of... | Physics | TestHub
- A particular hydrogen like ion emits radia... | Physics | TestHub
- Suppose the potential energy between elect... | Physics | TestHub
- A hydrogen atom undergoes the transition \... | Physics | TestHub
- The radius of electron's second stationary... | Physics | TestHub
- The wavelength of the radiation emitted is... | Physics | TestHub
- An electron in a hydrogen atom first jumps... | Physics | TestHub
- Choose the correct option from the followi... | Physics | TestHub
- The radius of the shortest orbit in a one-... | Physics | TestHub
- The product of the speed of the electron i... | Physics | TestHub
- Assume that He obeys the Bohr theory exact... | Physics | TestHub
- Hydrogen gas is excited with atoms up to t... | Physics | TestHub
- The hydrogen gas is bombarded with electro... | Physics | TestHub
- For the hydrogen like atom, the energy of... | Physics | TestHub
- An electron projected perpendicular to a u... | Physics | TestHub
- A hydrogen atom in its ground state absorb... | Physics | TestHub
- The energy levels of an hydrogen atom are... | Physics | TestHub
- If be the lowest wavelength of Lyman serie... | Physics | TestHub
- When in a hydrogen atom an electron makes... | Physics | TestHub
- Hydrogen-like gas atoms absorb radiation o... | Physics | TestHub
- The radius of orbit of of Bohr's model is... | Physics | TestHub
- Muon is negatively charged with a mass , w... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- A hydrogen like atom has one electron revo... | Physics | TestHub
- In a hydrogen like atom, energy required t... | Physics | TestHub
- When the electron in a hydrogen atom jumps... | Physics | TestHub
- In a hydrogen like atom electron makes tra... | Physics | TestHub
- Hydrogen atoms are excited to n = 4 state.... | Physics | TestHub
- An excited ion emits two photons in succes... | Physics | TestHub
- Imagine that the electron in a hydrogen at... | Physics | TestHub
- The radius of third stationary orbit of el... | Physics | TestHub
- For a hydrogen atom, the ratio of the larg... | Physics | TestHub
- If the electron in a hydrogen atom jumps f... | Physics | TestHub
- Of the various wavelengths emitted from a... | Physics | TestHub
- Select the correct option(s): | Physics | TestHub
- In a hydrogen atom the electron makes a tr... | Physics | TestHub
- A sample of atoms ALLENALIUM are in all th... | Physics | TestHub
- A photon is emitted in transition from lev... | Physics | TestHub
- Three photons coming from excited atomic h... | Physics | TestHub
- In Bohr's model of hydrogen-like species,... | Physics | TestHub
- A photon of energy 10.2 eV corresponds to... | Physics | TestHub
- In the Bohr's model, let \mathrm{r}= radiu... | Physics | TestHub
- Considering the Bohr model of hydrogen lik... | Physics | TestHub
- At some place in universe an atom consists... | Physics | TestHub
- When a stationary excited hydrogen atom of... | Physics | TestHub
- Radius of a certain orbit of hydrogen atom... | Physics | TestHub
- As per given figure and are the first, sec... | Physics | TestHub
- An alpha particle's trajectory is deflecte... | Physics | TestHub
- As an electron makes a transition from an... | Physics | TestHub
- Of the following transitions in hydrogen a... | Physics | TestHub
- The energy required to excite the electron... | Physics | TestHub
- If photons emitted from allenalium transit... | Physics | TestHub
- An electron of hydrogen atom on an excited... | Physics | TestHub
- An electron is excited from a lower energy... | Physics | TestHub
- The time period of the electron in the gro... | Physics | TestHub
- A moving hydrogen atom emits a photon perp... | Physics | TestHub
- If the electron of the hydrogen atom is re... | Physics | TestHub
- The magnitude of angular momentum, orbit r... | Physics | TestHub
- In a hydrogen atom, the ratio of the wavel... | Physics | TestHub
- A spectral line results from the transitio... | Physics | TestHub
- In Bohr's atomic model of hydrogen, let an... | Physics | TestHub
- The longest wavelength of photon in the Ba... | Physics | TestHub
- The energy of ion in its first state is, (... | Physics | TestHub
- In the given figure, the energy levels of... | Physics | TestHub
- If in the first orbit of a hydrogen atom t... | Physics | TestHub
- A ion is in its first excited state. Its i... | Physics | TestHub
- Let \nu_{1} be the frequency of the series... | Physics | TestHub
- If one were to apply the Bohr model to a p... | Physics | TestHub
- In,electron in first Bohr orbit is excited... | Physics | TestHub
- The angular momentum of an electron in the... | Physics | TestHub
- In hydrogen atom, electron excites from gr... | Physics | TestHub
- Radiation coming from transitions to of hy... | Physics | TestHub
- In which of the following systems will the... | Physics | TestHub
- A hydrogen atom in ground state is given a... | Physics | TestHub
- Hydrogen atoms are excited to n=4 state. I... | Physics | TestHub
- An atom absorbs a photon of wavelength and... | Physics | TestHub
- During the transition of electron from sta... | Physics | TestHub
- An \alpha -particle and a free electron, b... | Physics | TestHub
- A stationary nucleus of mass 25 u emits a... | Physics | TestHub
- An electron of a hydrogen like atom, havin... | Physics | TestHub
- Hydrogen atom from excited state comes to... | Physics | TestHub
- If R is the Rydberg's constant, the energy... | Physics | TestHub
- A doubly ionised atom is excited from its... | Physics | TestHub
- The number of spectral lines emitted by at... | Physics | TestHub
- A photon is emitted from a hydrogen atom d... | Physics | TestHub
- A electron beam is used to bombard gaseous... | Physics | TestHub
- A hydrogen atom is excited up to the 9th l... | Physics | TestHub
- is the ratio of energies of photons produc... | Physics | TestHub
- For hydrogen atom, and are the wavelengths... | Physics | TestHub
- A light of energy is incident on a hydroge... | Physics | TestHub
- The ratio of the longest and shortest wave... | Physics | TestHub
- The transition from the state n = 4 to n =... | Physics | TestHub
- The energy of an electron in an excited hy... | Physics | TestHub
- In a hydrogen spectrum be the wavelength o... | Physics | TestHub
- An electron in a hydrogen atom makes a tra... | Physics | TestHub
- A beam of monochromatic light is used to e... | Physics | TestHub
- A neutron (relative atomic mass 1) is in h... | Physics | TestHub
- If the radius of Bohr's second orbit of th... | Physics | TestHub
- Which level of the single ionized carbon h... | Physics | TestHub
- Energy required for the electron excitatio... | Physics | TestHub
- The energy required to remove the electron... | Physics | TestHub
- A negative charge is revolving around a fi... | Physics | TestHub
- The minimum energy required by a hydrogen... | Physics | TestHub
- A hydrogen atom, initially in the ground s... | Physics | TestHub
- The energy required to ionise a hydrogen l... | Physics | TestHub
- Which of the plots shown in the figure rep... | Physics | TestHub
- The ratio of wavelength of spectral lines... | Physics | TestHub
- Electrons having de-Broglie wavelength \la... | Physics | TestHub
- Among the following possible transitions i... | Physics | TestHub
- The acceleration of an electron in the fir... | Physics | TestHub
- A particle of mass moves in a circular orb... | Physics | TestHub
- Find the quantum number n corresponding to... | Physics | TestHub
- A monochromatic light is incident on a hyd... | Physics | TestHub
- Which of the following atoms has the lowes... | Physics | TestHub
- In the Bohr model of the hydrogen atom, th... | Physics | TestHub
- Which of the following transitions in hydr... | Physics | TestHub
- A monochromatic radiation is absorbed by h... | Physics | TestHub
- If the wavelength of the first member of L... | Physics | TestHub
- An electron moving with a kinetic energy =... | Physics | TestHub
- A hydrogen atom changes its state from to... | Physics | TestHub
- The shortest wavelength of the spectral li... | Physics | TestHub
- A cloud chamber is a device which makes th... | Physics | TestHub
- According to Bohr's theory of hydrogen ato... | Physics | TestHub
- Suppose an electron is attracted towards t... | Physics | TestHub
- Hydrogen atoms in the ground state are exc... | Physics | TestHub
- Choose the CORRECT option(s) : | Physics | TestHub
- The ground-state energy of positronium is... | Physics | TestHub
- What is the dimensional formula for Rydber... | Physics | TestHub
- Let the radius of ground state H-atom (as... | Physics | TestHub
- The ratio of electron wavelengths for the... | Physics | TestHub
- A free electron of energy collides with a... | Physics | TestHub
- Find the ratio of energies of photons prod... | Physics | TestHub
- Whenever a photon is emitted by a hydrogen... | Physics | TestHub
- The ratio of magnetic moment to the angula... | Physics | TestHub
- When a stationary hydrogen atom emits a ph... | Physics | TestHub
- A neutron moving with a speed 'v' makes a... | Physics | TestHub
- The electron in a hydrogen atom first jump... | Physics | TestHub
- The energies of four levels of the hydroge... | Physics | TestHub
- Suppose the frequency of the emitted photo... | Physics | TestHub
- Which of the following statements is (are)... | Physics | TestHub
- The transition from the state to in a hydr... | Physics | TestHub
- The electron of a hydrogen atom makes a tr... | Physics | TestHub
- Which of the following products in a hydro... | Physics | TestHub
- The first member of the Balmer series of h... | Physics | TestHub
- Which one of the following curve may repre... | Physics | TestHub
- In a muonic hydrogen atom, the electron is... | Physics | TestHub
- If the electron in a hydrogen atom jumps f... | Physics | TestHub
- If an electron is moving in the orbit of t... | Physics | TestHub
- The energy required to remove the electron... | Physics | TestHub
- The figure shows a graph between \ln \left... | Physics | TestHub
- If the series limit frequency of the Lyman... | Physics | TestHub
- A stationary hydrogen atom of mass M emits... | Physics | TestHub
- The radius of the hydrogen atom in its gro... | Physics | TestHub
- In Bohr's atomic model, the electron is as... | Physics | TestHub
- In Bohr model of the hydrogen atom, let R,... | Physics | TestHub
- When a hydrogen atom going from to emits a... | Physics | TestHub
- Which one of the following curve may repre... | Physics | TestHub
- Assuming the validity of Bohr's atomic mod... | Physics | TestHub
- The wavelength of first Lyman series will... | Physics | TestHub
- Which among the following has a hydrogen-l... | Physics | TestHub
- \mathrm{A} \mathrm{He}^{+} ion in ground s... | Physics | TestHub
De Broglie & Matter Waves(174)
- Given below are two statements:Assertion (... | Physics | TestHub
- Consider an electron in the n=4 orbit of a... | Physics | TestHub
- The value of Planck's constant is:NEET 2002 | Physics | TestHub
- The speed of an electron having a waveleng... | Physics | TestHub
- Formation of covalent bonds in compounds e... | Physics | TestHub
- If particles are moving with the same velo... | Physics | TestHub
- If an electron and a photon propagate in t... | Physics | TestHub
- A laser beam is used for carrying out surg... | Physics | TestHub
- If the kinetic energy of a free electron d... | Physics | TestHub
- The time by a photoelectron to come out af... | Physics | TestHub
- The deBroglie wavelength associated with a... | Physics | TestHub
- A photo-sensitive material would emit elec... | Physics | TestHub
- Photon of frequency has a momentum associa... | Physics | TestHub
- Which phenomenon best supports the theory... | Physics | TestHub
- Which of the following is matched wrongly? | Physics | TestHub
- A solid sphere of radius and volume charge... | Physics | TestHub
- A particle of mass 1 mg has the same wavel... | Physics | TestHub
- A particle of mass has the same wavelength... | Physics | TestHub
- A photon of energy ejects a photoelectron... | Physics | TestHub
- de Broglie wavelength associated with neut... | Physics | TestHub
- If the kinetic energy of a particle is inc... | Physics | TestHub
- There area bulb and a line. Which eletric... | Physics | TestHub
- An -particle and a proton are accelerated... | Physics | TestHub
- Assertion : The de Broglie equation has si... | Physics | TestHub
- Electrons used in an electron microscope a... | Physics | TestHub
- Assertion : There is a physical significan... | Physics | TestHub
- The ratio of momentum of an electron and -... | Physics | TestHub
- A proton is fired from very far away towar... | Physics | TestHub
- An -particle moves in a circular path of r... | Physics | TestHub
- The kinetic energy of an electron get trip... | Physics | TestHub
- Calculate the kinetic energy of the electr... | Physics | TestHub
- If the momentum of an electron is changed... | Physics | TestHub
- Electrons are accelerated through a potent... | Physics | TestHub
- The wavelength of an electron and of a pho... | Physics | TestHub
- If velocity of a particle is three times o... | Physics | TestHub
- The de-Broglie wavelength of neutrons in t... | Physics | TestHub
- Assertion: An electron microscope is based... | Physics | TestHub
- For LED's to emit light in visible region... | Physics | TestHub
- If the kinetic energy of the particle is i... | Physics | TestHub
- For which of the following particles will... | Physics | TestHub
- When sunlight is scattered by atmospheric... | Physics | TestHub
- A parallel beam of electrons travelling in... | Physics | TestHub
- The de-Broglie wavelength associated with... | Physics | TestHub
- When the momentum of a photon is changed b... | Physics | TestHub
- Light of wavelengthis incident on a metal... | Physics | TestHub
- Which of the following figures represent t... | Physics | TestHub
- de-Broglie wavelength associated with a ba... | Physics | TestHub
- De-Broglie wavelength of an electron accel... | Physics | TestHub
- An electron in an excited state ofion has... | Physics | TestHub
- Electrons of mass,with de-Broglie waveleng... | Physics | TestHub
- An electron of mass m and a photon have sa... | Physics | TestHub
- Which of the following has the longest de... | Physics | TestHub
- The de-Broglie wavelength of a neutron in... | Physics | TestHub
- A particleof massand initial velocitycolli... | Physics | TestHub
- Light of wavelength is incident on a metal... | Physics | TestHub
- A photoelectric material having work-funct... | Physics | TestHub
- If the kinetic energy of a moving particle... | Physics | TestHub
- An electron of masswith an initial velocit... | Physics | TestHub
- An electron moving with speed has waveleng... | Physics | TestHub
- If the de Broglie wavelengths associated w... | Physics | TestHub
- Two electrons are moving with non-relativi... | Physics | TestHub
- Assertion : The de Broglie wavelength of a... | Physics | TestHub
- A deutron has an energy of when accelerate... | Physics | TestHub
- The de-Broglie wavelengthassociated with t... | Physics | TestHub
- A particleof massand chargeis accelerated... | Physics | TestHub
- Two particles move at right angle to each... | Physics | TestHub
- Assertion: The relative velocity of two ph... | Physics | TestHub
- In an electron microscope, the resolution... | Physics | TestHub
- If the kinetic energy of a free electron d... | Physics | TestHub
- An electron is accelerated through a poten... | Physics | TestHub
- A particleis formed due to a completely in... | Physics | TestHub
- If the deBroglie wavelength of an electron... | Physics | TestHub
- A proton and an -particle are accelerated... | Physics | TestHub
- Consider an electron in a hydrogen atom, r... | Physics | TestHub
- A nucleuswith a finite de-broglie waveleng... | Physics | TestHub
- The potential difference required for acce... | Physics | TestHub
- An electron of massand magnitude of charge... | Physics | TestHub
- Assuming the nitrogen molecule is moving w... | Physics | TestHub
- An electron (mass) with initial velocityis... | Physics | TestHub
- An electron, a doubly ionized helium ion (... | Physics | TestHub
- An electron (of mass) and a photon have th... | Physics | TestHub
- Particleof massmoving along the-axis with... | Physics | TestHub
- When photon of energystrikes the surface o... | Physics | TestHub
- A particle is movingtimes as fast as an el... | Physics | TestHub
- The de-Broglie wavelength of an electron m... | Physics | TestHub
- An electron is accelerated from rest throu... | Physics | TestHub
- A particle moving with kinetic energyhas d... | Physics | TestHub
- An electron having de-Broglie wavelengthis... | Physics | TestHub
- The temperature of an ideal gas in three d... | Physics | TestHub
- An electron of massand a proton of massare... | Physics | TestHub
- What should be the order of arrangement of... | Physics | TestHub
- A moving proton and electron have the same... | Physics | TestHub
- The de Broglie wavelength of a proton and-... | Physics | TestHub
- An electron of massand a photon have same... | Physics | TestHub
- A particle of massat rest disintegrates in... | Physics | TestHub
- The de-Broglie wavelength of a particle ha... | Physics | TestHub
- Anparticle and a proton are accelerated fr... | Physics | TestHub
- A particle is travellingtimes as fast as a... | Physics | TestHub
- An electron moving with speedand a photon... | Physics | TestHub
- The de-Broglie wavelength associated with... | Physics | TestHub
- An electron of massand a proton of massare... | Physics | TestHub
- A particle of masstravels in a medium with... | Physics | TestHub
- Consider two separate ideal gases of elect... | Physics | TestHub
- A proton, a neutron, an electron and an-pa... | Physics | TestHub
- Anparticle and a proton are accelerated fr... | Physics | TestHub
- Anparticle and a carbonatom has same kinet... | Physics | TestHub
- A nucleus of massat rest splits into two p... | Physics | TestHub
- The graph which shows the variation of the... | Physics | TestHub
- The ratio of wavelengths of proton and deu... | Physics | TestHub
- An electron with speed and a photon with s... | Physics | TestHub
- The de Broglie wavelengths for an electron... | Physics | TestHub
- The kinetic energy of emitted electron isw... | Physics | TestHub
- An electron (mass) with an initial velocit... | Physics | TestHub
- The equationcan be used to find the de-Bro... | Physics | TestHub
- Given below are two statements: One is lab... | Physics | TestHub
- A proton and an -particle are accelerated... | Physics | TestHub
- Electron beam used in an electron microsco... | Physics | TestHub
- Protonand electronwill have same de-Brogli... | Physics | TestHub
- Anparticle, a proton and an electron have... | Physics | TestHub
- The ratio of de-Broglie wavelength of an-p... | Physics | TestHub
- The de Broglie wavelength associated with... | Physics | TestHub
- An electron accelerated through a potentia... | Physics | TestHub
- The de Broglie wavelength of a molecule in... | Physics | TestHub
- The ratio of the de-Broglie wavelengths of... | Physics | TestHub
- The de Broglie wavelength of an electron h... | Physics | TestHub
- A proton moving with one tenth of velocity... | Physics | TestHub
- The kinetic energy of an electron, particl... | Physics | TestHub
- The de Broglie wavelengths of a proton and... | Physics | TestHub
- A proton and an electron are associated wi... | Physics | TestHub
- A proton and an electron have the same de... | Physics | TestHub
- The de-Broglie wavelength of an electron i... | Physics | TestHub
- A proton, an electron and an alpha particl... | Physics | TestHub
- The graph which shows the variation of and... | Physics | TestHub
- An electron and an alpha particle are acce... | Physics | TestHub
- The energy and momentum of a moving body o... | Physics | TestHub
- An electron with mass ' ' with an initial... | Physics | TestHub
- An electron of mass ' m ' with an initial... | Physics | TestHub
- An electron in the ground state of the hyd... | Physics | TestHub
- A photon and an electron (mass ) have the... | Physics | TestHub
- A proton of mass ' ' has same energy as th... | Physics | TestHub
- A sub-atomic particle of mass is moving wi... | Physics | TestHub
- An electron is released from rest near an... | Physics | TestHub
- Consider an electron in the nth orbit of a... | Physics | TestHub
- What is the de Broglie wavelength of the \... | Physics | TestHub
- An electron in the ground state of the hyd... | Physics | TestHub
- The ratio of the de Broglie wavelength of... | Physics | TestHub
- A beam of 5 keV \alpha -particles and a be... | Physics | TestHub
- An electron (mass m) with an initial veloc... | Physics | TestHub
- A homogeneous ball (mass = m) of ideally b... | Physics | TestHub
- A particle of mass 4 m at rest decays into... | Physics | TestHub
- A particle of mass M at rest decays into t... | Physics | TestHub
- Two particles of equal masses are moving w... | Physics | TestHub
- The figure shows the electronic wave funct... | Physics | TestHub
- Assuming the nitrogen molecule is moving w... | Physics | TestHub
- When electron accelerated through the 150... | Physics | TestHub
- Two electrons are moving with non-relativi... | Physics | TestHub
- Find the wavelength of the Kα line in copp... | Physics | TestHub
- An electron of mass m, when accelerated th... | Physics | TestHub
- In a cricket match, batsman hit the ball (... | Physics | TestHub
- Two particles with same mass, moving at 60... | Physics | TestHub
- A non-relativistic particle X is moving 2.... | Physics | TestHub
- An electron is in an excited state in a hy... | Physics | TestHub
- A proton and \alpha particle have equal ki... | Physics | TestHub
- A photon, an electron and a uranium nucleu... | Physics | TestHub
- The wavelength of an electron accelerated... | Physics | TestHub
- If and are de Broglie wavelength and kinet... | Physics | TestHub
- The magnitude of the de Broglie wavelength... | Physics | TestHub
- Helium { }_{2}^{4} \mathrm{He} becomes a s... | Physics | TestHub
- A deuteron of mass M moving at speed v col... | Physics | TestHub
- A proton and an alpha particle are acceler... | Physics | TestHub
- An electron from various excited states of... | Physics | TestHub
- An electron and a proton are accelerated t... | Physics | TestHub
- A particle of de Broglie wavelength 2.21 \... | Physics | TestHub
- A particle moves in a closed orbit around... | Physics | TestHub
Miscellaneous(17)
- A point source of light of power ' P ' and... | Physics | TestHub
- Match each functional dependence of energy... | Physics | TestHub
- Which of the following is not the property... | Physics | TestHub
- J.J. Thomson's cathode ray tube experiment... | Physics | TestHub
- In a discharge tube ionization of enclosed... | Physics | TestHub
- The temperature coefficient of a zener mec... | Physics | TestHub
- In the phenomenon of electric discharge th... | Physics | TestHub
- In the phenomenon of electric discharge th... | Physics | TestHub
- In the circuit shown above, an input of is... | Physics | TestHub
- A beam of cathode rays is subjected to cro... | Physics | TestHub
- In Meter bridge or Wheatstone bridge for m... | Physics | TestHub
- In a hydrogen discharged tube it is observ... | Physics | TestHub
- A particle of masscollides with a hydrogen... | Physics | TestHub
- An oil drop of the radiuswith a densityis... | Physics | TestHub
- List-I shows various functional dependenci... | Physics | TestHub
- Match the column | Physics | TestHub
- Radiation from hydrogen gas excited to fir... | Physics | TestHub
Nuclear physics(233)
- A uranium nucleus { }^{235} \mathrm{U} lib... | | TestHub
- A nucleus disintegrates into two nuclear p... | Physics | TestHub
- Neon-23 undergoes beta decay in the follow... | Physics | TestHub
- Given below are two statements:Assertion (... | Physics | TestHub
- If mass of an atom is moving with speed ,... | Physics | TestHub
- If mass-energy equivalence is taken into a... | Physics | TestHub
- nucleus absorbs a neutron and disintegrate... | Physics | TestHub
- Which of the following are suitable for th... | Physics | TestHub
- The mass of proton is and that of neutron... | Physics | TestHub
- A nucleus with emits the following in a se... | Physics | TestHub
- Assertion : Neutrons penetrate matter more... | Physics | TestHub
- The mass number of a nucleus is:NEET 2003 | Physics | TestHub
- Solar energy is mainly caused due to:NEET... | Physics | TestHub
- The volume occupied by an atom is greater... | Physics | TestHub
- When a nucleus originally at rest, decays... | Physics | TestHub
- Nuclear fusion is possible | Physics | TestHub
- In the nuclear fusion reaction given that... | Physics | TestHub
- A nucleus disintegrates into two nuclear p... | Physics | TestHub
- denotes the mass of a proton and that a ne... | Physics | TestHub
- The binding energy per nucleon of deuteron... | Physics | TestHub
- Assertion : Heavy water preferred over ord... | Physics | TestHub
- A nucleus represented by the symbol has:NE... | Physics | TestHub
- The Magnetic Resonance Imaging (MRI) is ba... | Physics | TestHub
- The dependence of binding energy per nucle... | Physics | TestHub
- When an electron-positron pair annihilates... | Physics | TestHub
- Assertion : Energy is released in nuclear... | Physics | TestHub
- If a nuclear fusion process the masses of... | Physics | TestHub
- A nuclear transformation is denoted by . W... | Physics | TestHub
- In the reaction , if the binding energies... | Physics | TestHub
- Fission of nuclei is possible because the... | Physics | TestHub
- If radius of nucleus is estimated to be Fe... | Physics | TestHub
- Assertion : It is not possible to use as t... | Physics | TestHub
- In any fission process the ratio: mass of... | Physics | TestHub
- The nuclei of which one of the following p... | Physics | TestHub
- How much energy is produced, if of a subst... | Physics | TestHub
- If the binding energy per nucleon in and n... | Physics | TestHub
- Assertion : Magnetic Resonance Imaging (MR... | Physics | TestHub
- The radius of germanium (Ge) nuclide is me... | Physics | TestHub
- The velocity , at which the mass of a part... | Physics | TestHub
- 'Pair production' involves conversion of a... | Physics | TestHub
- Which one of the following is a possible n... | Physics | TestHub
- The operation of a nuclear reactor is said... | Physics | TestHub
- The binding energy of deuteron is 2.2 and... | Physics | TestHub
- The sub atomic particles proton and neutro... | Physics | TestHub
- Assertion : The binding energy per nucleon... | Physics | TestHub
- When nuclei are bombarded by protons, and... | Physics | TestHub
- A solid which is transparent to visible li... | Physics | TestHub
- Assertion : Heavy water is a better modera... | Physics | TestHub
- Some laws/processes are given in Column I.... | Physics | TestHub
- Assuming to be the frequency of first line... | Physics | TestHub
- If the nucleus has a nuclear radius of abo... | Physics | TestHub
- If is the mass of an oxygen isotope and ar... | Physics | TestHub
- Calculate power output of reactor, if it t... | Physics | TestHub
- A nucleus has mass represented by . If and... | Physics | TestHub
- What is the amount of energy released by d... | Physics | TestHub
- In the options given below, let denote the... | Physics | TestHub
- Two point like charges Q1 and Q2 of whose... | Physics | TestHub
- Assertion : In a metal all the free electr... | Physics | TestHub
- A thin film of soap solution lies on the t... | Physics | TestHub
- Two nuclei have their mass numbers in the... | Physics | TestHub
- If and denote the masses of the nucleus ,... | Physics | TestHub
- Assume that the nuclear binding energy per... | Physics | TestHub
- Two nuclei have their mass numbers in the... | Physics | TestHub
- This question contains Statement and State... | Physics | TestHub
- Paragraph:Scientists are working hard to d... | Physics | TestHub
- Paragraph:Scientists are working hard to d... | Physics | TestHub
- Paragraph:Scientists are working hard to d... | Physics | TestHub
- Assertion : Nuclei having mass number abou... | Physics | TestHub
- A nucleus of mass number 220 decays by dec... | Physics | TestHub
- The above is a plot of binding energy per... | Physics | TestHub
- A nucleus of mass is at rest and decays in... | Physics | TestHub
- Magnetic field at the centre of a circular... | Physics | TestHub
- The mass of a nucleus is less than the sum... | Physics | TestHub
- A nucleus of mass is at rest and decays in... | Physics | TestHub
- The binding energy per nucleon in deuteriu... | Physics | TestHub
- A cylindrical conductor of radius carries... | Physics | TestHub
- Assertion : It is desirable to slow down f... | Physics | TestHub
- Assertion : It is very easy to detect neut... | Physics | TestHub
- A nucleus emits an -particle. The resultan... | Physics | TestHub
- The ratio of the masses of the elements ha... | Physics | TestHub
- For a nuclear reactor to run in critical c... | Physics | TestHub
- Assertion : For nuclear reactor, it is des... | Physics | TestHub
- Among the following which is used to contr... | Physics | TestHub
- Assertion : Mass defect in nuclear reactio... | Physics | TestHub
- Fusion reaction takes place at high temper... | Physics | TestHub
- A radioactive nucleus of mass emits a phot... | Physics | TestHub
- Calculate the energy released when three -... | Physics | TestHub
- Assertion :More energy is released in fusi... | Physics | TestHub
- The -decay process, discovered around 1900... | Physics | TestHub
- If the binding energy per nuclear in and n... | Physics | TestHub
- If the nuclear radius of is , the approxim... | Physics | TestHub
- Which of the following Statements is correct? | Physics | TestHub
- Highly energetic electrons are bombarded o... | Physics | TestHub
- The -decay process, discovered around 1900... | Physics | TestHub
- Assume that a neutron breaks into a proton... | Physics | TestHub
- How does the Binding Energy per nucleon va... | Physics | TestHub
- Paragraph: The mass of a nucleus is less t... | Physics | TestHub
- Paragraph: The mass of a nucleus is less t... | Physics | TestHub
- When Uranium is bombarded with neutrons, i... | Physics | TestHub
- In nuclear fission, which of the following... | Physics | TestHub
- A certain mass of hydrogen is changed to h... | Physics | TestHub
- Match Listof the nuclear processes with Li... | Physics | TestHub
- When a slow neutron is captured by a nucle... | Physics | TestHub
- Assertion: The ratio for time taken for li... | Physics | TestHub
- The Binding energy per nucleon ofandnucleo... | Physics | TestHub
- A neutron is moving with velocity . It col... | Physics | TestHub
- Following process is known as | Physics | TestHub
- If the nuclear fission, piece of uranium o... | Physics | TestHub
- If radius of thenucleus is taken to bethen... | Physics | TestHub
- Assertion : If a heavy nucleus is split in... | Physics | TestHub
- A nuclear transformation is given by . The... | Physics | TestHub
- Match the nuclear processes given in colum... | Physics | TestHub
- The ratio of volume occupied by an atom to... | Physics | TestHub
- A nucleus of uranium decays at rest into n... | Physics | TestHub
- The isotopehaving a mass 12.014 u undergoe... | Physics | TestHub
- Assertion : Unlike electric force and grav... | Physics | TestHub
- If the nuclear radius of is Fermi, the app... | Physics | TestHub
- The electrostatic energy of Z protons unif... | Physics | TestHub
- When an-particle of massmoving with a unde... | Physics | TestHub
- Assertion : Generally heavy nuclei are uns... | Physics | TestHub
- An atom of mass number 15 and atomic numbe... | Physics | TestHub
- Assertion : Heavy water is used as moderat... | Physics | TestHub
- Two deuterons undergo nuclear fusion to fo... | Physics | TestHub
- Imagine that a reactor converts all the gi... | Physics | TestHub
- Assertion : Thermonuclear fusion reactions... | Physics | TestHub
- A neutron in a nuclear reactor collides he... | Physics | TestHub
- Assertion : Mass is not conserved, but mas... | Physics | TestHub
- In a nuclear fusion reaction, two nuclei,... | Physics | TestHub
- In a radioactive decay chain,nucleus decay... | Physics | TestHub
- The Binding energy per nucleon of and He n... | Physics | TestHub
- An unstable heavy nucleus at rest breaks i... | Physics | TestHub
- Assertion : Heavy water is a better modera... | Physics | TestHub
- Consider the nuclear fission,. Given that... | Physics | TestHub
- Suppose anucleus at rest and in ground sta... | Physics | TestHub
- The ratio of mass densities of nuclei ofan... | Physics | TestHub
- Find the Binding energy per nucleon for. M... | Physics | TestHub
- When a uranium isotopeis bombarded with a... | Physics | TestHub
- Given the masses of various atomic particl... | Physics | TestHub
- You are given thatMass of Mass ofand Mass... | Physics | TestHub
- The radiusof a nucleus of mass numbercan b... | Physics | TestHub
- The energy equivalent ofof a substance is:... | Physics | TestHub
- Consider the following statements:. Atoms... | Physics | TestHub
- From the given data, the amount of energy... | Physics | TestHub
- A nucleus with mass numberbreaks into two... | Physics | TestHub
- The decay of a proton to neutron is : | Physics | TestHub
- A heavy nucleus, at rest, undergoes fissio... | Physics | TestHub
- A nucleus with mass numberinitially at res... | Physics | TestHub
- The energy released per fission of a nucle... | Physics | TestHub
- The minimum kinetic energy needed by an al... | Physics | TestHub
- The binding energy of nucleons in a nucleu... | Physics | TestHub
- In the given nuclear reaction, the element... | Physics | TestHub
- Nucleusis having mass numberand its bindin... | Physics | TestHub
- A nucleus of mass numbersplits into two nu... | Physics | TestHub
- The velocity of a body of rest mass is (Wh... | Physics | TestHub
- Mass numbers of two nuclei are in the rati... | Physics | TestHub
- Two lighter nuclei combine to form a compa... | Physics | TestHub
- The-value of a nuclear reaction and kineti... | Physics | TestHub
- In the following nuclear reaction,Mass num... | Physics | TestHub
- The radius of Ge nucleus is measured to be... | Physics | TestHub
- The energy released per fission of nucleus... | Physics | TestHub
- A nucleus with mass numberand binding ener... | Physics | TestHub
- If the binding energy of ground state elec... | Physics | TestHub
- A free neutron decays into a proton but a... | Physics | TestHub
- The ratio of the density of oxygen nucleus... | Physics | TestHub
- Assume that protons and neutrons have equa... | Physics | TestHub
- Given below are two statements : one is la... | Physics | TestHub
- For a nucleus having mass number A and ato... | Physics | TestHub
- In the given nuclear reaction, the approxi... | Physics | TestHub
- The binding energy of deuteron is 1.15 per... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- Water is used as a coolant in a nuclear re... | Physics | TestHub
- If three helium nuclei combine to form a c... | Physics | TestHub
- The energy equivalent of of substance is : | Physics | TestHub
- The disintegration energy for the nuclear... | Physics | TestHub
- A nucleus at rest disintegrates into two s... | Physics | TestHub
- A nucleus has mass numberand volume. Anoth... | Physics | TestHub
- The explosive in a Hydrogen bomb is a mixt... | Physics | TestHub
- The atomic mass ofisand that ofis. The req... | Physics | TestHub
- The radius of a nucleus of mass numberisfe... | Physics | TestHub
- If is the mass of isotope and are the mass... | Physics | TestHub
- Which of the following nuclear fragments c... | Physics | TestHub
- From the statements given below :(A) The a... | Physics | TestHub
- Binding energy of a certain nucleus is . H... | Physics | TestHub
- In a nuclear fission reaction of an isotop... | Physics | TestHub
- In a nuclear fission process, a high mass... | Physics | TestHub
- A star has helium composition. It starts t... | Physics | TestHub
- The energy released in the fusion of of hy... | Physics | TestHub
- The mass number of nucleus having radius e... | Physics | TestHub
- In a hypothetical fission reaction The ide... | Physics | TestHub
- Choose the correct nuclear process from th... | Physics | TestHub
- Given below are two statements. One is lab... | Physics | TestHub
- Match the LIST-I with LIST-IIChoose the co... | Physics | TestHub
- Energy released when two deuterons fuse to... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- For a nucleus of mass number and radius ,... | Physics | TestHub
- Consider the following nuclear reaction :T... | Physics | TestHub
- An unknown nucleus has a nuclear density o... | Physics | TestHub
- Four statements are given (A is mass numbe... | Physics | TestHub
- The value of K_{2} is ______ | Physics | TestHub
- In a nuclear reaction of \alpha -decay, th... | Physics | TestHub
- Ionisation energy of Li (Lithium) atom in... | Physics | TestHub
- A heavy nucleus having mass number 200 get... | Physics | TestHub
- Which of the following statement(s) is (ar... | Physics | TestHub
- Hydrogen (1H1), Deuterium (1H2), singly io... | Physics | TestHub
- Both the nucleus and the atom of some elem... | Physics | TestHub
- Nucleus a having and equal number of proto... | Physics | TestHub
- If the binding energy of the electron in a... | Physics | TestHub
- The value of \mathrm{K}_{1} is \_\_\_\_ | Physics | TestHub
- The { }^{238} \mathrm{U} nucleus has a bin... | Physics | TestHub
- Read the following statements:(A) Volume o... | Physics | TestHub
- In the nuclear reaction , a proton collide... | Physics | TestHub
- In the Bohr's model of hydrogen-like atom... | Physics | TestHub
- Which of the following statement(s) is/are... | Physics | TestHub
- Energy released in fission of single { }_{... | Physics | TestHub
- The mass defect in a particular reaction i... | Physics | TestHub
- If the binding energy of the electron in a... | Physics | TestHub
- Given below are two statements:Statement I... | Physics | TestHub
- The mass defect in a particular reaction i... | Physics | TestHub
- and are the impact parameters correspondin... | Physics | TestHub
- According to Bohr's theory, the time avera... | Physics | TestHub
- An electron rotates in a circle around a n... | Physics | TestHub
- In an alpha particle scattering experiment... | Physics | TestHub
- In the Rutherford experiment, -particles a... | Physics | TestHub
- If the binding energy per nucleon in { }_{... | Physics | TestHub
- Which of the following figure represents t... | Physics | TestHub
- An alpha nucleus of energy bombards a heav... | Physics | TestHub
- The mass defect in a particular reaction i... | Physics | TestHub
- In the nuclear fusion reaction given that... | Physics | TestHub
- Problem:The positions of , and are shown o... | Physics | TestHub
- The mass of proton, neutron and helium nuc... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- Energy released when two deuterons fuse to... | Physics | TestHub
- A radioactive material P first decays into... | Physics | TestHub
Photoelectric effect(350)
- In a photoelectric experimental setup ultr... | Physics | TestHub
- In a photoelectric effect experiment, if f... | Physics | TestHub
- Given below are two statements:Assertion (... | Physics | TestHub
- The work function of a metal is . If the f... | Physics | TestHub
- In Planck's oscillator energy is given as... | Physics | TestHub
- Assertion : On increasing the frequency of... | Physics | TestHub
- When ultraviolet rays incident on metal pl... | Physics | TestHub
- Sodium and copper have work functions and... | Physics | TestHub
- A photoelectric cell is illuminated by a p... | Physics | TestHub
- Assertion : A beam of charged particles is... | Physics | TestHub
- A proton is about 1840 times heavier than... | Physics | TestHub
- Two identical photocathodes receive light... | Physics | TestHub
- The work function of a substance is . Then... | Physics | TestHub
- According to Einstein's photoelectric equa... | Physics | TestHub
- A radiation of energy falls normally on a... | Physics | TestHub
- Assertion : Photoelectric effect demonstra... | Physics | TestHub
- A photon of energy is incident on a metal... | Physics | TestHub
- According to EInstein's photoelectric equa... | Physics | TestHub
- The pressure exerted by an electromagnetic... | Physics | TestHub
- A photocell is illuminated by a small brig... | Physics | TestHub
- Assertion : The energy and momentum of a p... | Physics | TestHub
- The photosensitive metallic surface has wo... | Physics | TestHub
- The work functions for metal and c are res... | Physics | TestHub
- Assertion: The photoelectrons produced by... | Physics | TestHub
- A photocell employs photoelectric effect t... | Physics | TestHub
- The graph between and stopping potential o... | Physics | TestHub
- The threshold frequency for a metallic sur... | Physics | TestHub
- When photons of energy fall on an aluminiu... | Physics | TestHub
- The momentum of a photon of energy 1 in wi... | Physics | TestHub
- The anode voltage of a photocell is kept f... | Physics | TestHub
- In photoelectric effect, the electrons are... | Physics | TestHub
- A 5 watt source emits monochromatic light... | Physics | TestHub
- What is the energy of photon whose wavelen... | Physics | TestHub
- Monochromatic light of frequency is produc... | Physics | TestHub
- The work function of a surface of a photos... | Physics | TestHub
- Assertion: Stopping potential depends upon... | Physics | TestHub
- If the force exerted by an electric dipole... | Physics | TestHub
- A laser beam is used for carrying out surg... | Physics | TestHub
- The work function of a surface of a photos... | Physics | TestHub
- The number of photoelectrons emitted for l... | Physics | TestHub
- The figure shows a plot of photo current v... | Physics | TestHub
- The surface of a metal is illuminated with... | Physics | TestHub
- The figure shows a plot of photo current v... | Physics | TestHub
- Assertion : A photon has no rest mass, yet... | Physics | TestHub
- The work function of a certain metal is J.... | Physics | TestHub
- The number of photoelectrons emitted for l... | Physics | TestHub
- Photoelectric effect experiments are perfo... | Physics | TestHub
- Monochromatic light of wavelength is produ... | Physics | TestHub
- Monochromatic light of wavelength is produ... | Physics | TestHub
- Whenever a stream of electrons collides wi... | Physics | TestHub
- The potential difference that must be appl... | Physics | TestHub
- A source is producing, photons/s of wavele... | Physics | TestHub
- If and are maximum kinetic energies of pho... | Physics | TestHub
- Statement-1 : When ultraviolet light is in... | Physics | TestHub
- When monochromatic radiation of intensity... | Physics | TestHub
- Light of two different frequencies whose p... | Physics | TestHub
- If we assume kinetic energy of a proton is... | Physics | TestHub
- An electron accelerated under a potential... | Physics | TestHub
- Photoelectric emission occurs only when th... | Physics | TestHub
- The threshold frequency for a photo-sensit... | Physics | TestHub
- In photoelectric emission process from a m... | Physics | TestHub
- Light of two different frequencies whose p... | Physics | TestHub
- A silver sphere of radius and work functio... | Physics | TestHub
- This question has Statement and Statement... | Physics | TestHub
- Two radiations of photon energies and , su... | Physics | TestHub
- Monochromatic radiation emitted when elect... | Physics | TestHub
- A sodium street lamp emits yellow light of... | Physics | TestHub
- Photoelectrons are ejected from a metal wh... | Physics | TestHub
- A photon is incident having frequency . Th... | Physics | TestHub
- and are two metals with threshold frequenc... | Physics | TestHub
- In photoelectric emission process from a m... | Physics | TestHub
- This question has Statement 1 and Statemen... | Physics | TestHub
- The threshold frequency for a photo-sensit... | Physics | TestHub
- In an experiment on photoelectric effect,... | Physics | TestHub
- A source of light is placed at a distance... | Physics | TestHub
- A copper ball of radius and work function... | Physics | TestHub
- The work functions of silver and sodium ar... | Physics | TestHub
- The anode voltage of a photocell is kept f... | Physics | TestHub
- For photoelectric emission from certain me... | Physics | TestHub
- A pulse of light of duration 100 ns is abs... | Physics | TestHub
- If the distance of lamp is increased from... | Physics | TestHub
- A beam of light has two wavelengths of and... | Physics | TestHub
- Silver has a work function of . When ultra... | Physics | TestHub
- The light of wavelength falls on a photose... | Physics | TestHub
- When the energy of the incident radiation... | Physics | TestHub
- A metallic surface ejects electrons. When... | Physics | TestHub
- A metal surface is illuminated by light of... | Physics | TestHub
- An eye can detect photons per square meter... | Physics | TestHub
- Consider a hydrogen atom with its electron... | Physics | TestHub
- When a certain metallic surface is illumin... | Physics | TestHub
- For photo-electric effect with incident ph... | Physics | TestHub
- Photoelectric effect supports quantum natu... | Physics | TestHub
- Suppose a beam of electrons with each elec... | Physics | TestHub
- A photoelectric surface is illuminated suc... | Physics | TestHub
- If the wavelength is brought down from to... | Physics | TestHub
- Radiation of wavelengthis incident on a ph... | Physics | TestHub
- Photons with energy ofare incident on a ca... | Physics | TestHub
- In photoelectric effect, initially when en... | Physics | TestHub
- Let the energy of an emitted photoelectron... | Physics | TestHub
- When a metallic surface is illuminated wit... | Physics | TestHub
- Light of wavelength falls on a cathode pla... | Physics | TestHub
- When photons of wavelengthare incident on... | Physics | TestHub
- Assertion : When a certain wavelength of l... | Physics | TestHub
- A photoelectric surface is illuminated suc... | Physics | TestHub
- In a historical experiment to determine Pl... | Physics | TestHub
- Assertion : As work function of a material... | Physics | TestHub
- A laser light of wavelengthis used to weld... | Physics | TestHub
- The photoelectric threshold wavelength of... | Physics | TestHub
- Light of two different frequencies whose p... | Physics | TestHub
- The maximum velocity of the photoelectrons... | Physics | TestHub
- In a photoelectric effect measurement, the... | Physics | TestHub
- Maximum velocity of the photoelectron emit... | Physics | TestHub
- When the light of frequency(whereis thresh... | Physics | TestHub
- If the maximum kinetic energy of emitted p... | Physics | TestHub
- Assertion : Photoelectric effect demonstra... | Physics | TestHub
- In a photoelectric experiment, a parallel... | Physics | TestHub
- The energy flux of sunlight reaching the s... | Physics | TestHub
- A metal plate of areais illuminated by a r... | Physics | TestHub
- Assertion : A photon has no rest mass, yet... | Physics | TestHub
- A perfectly reflecting mirror of mass moun... | Physics | TestHub
- The magnetic field associated with a light... | Physics | TestHub
- When a certain photosensitive surface is i... | Physics | TestHub
- The stopping potential(in volt) as a funct... | Physics | TestHub
- The maximum velocities of the photoelectro... | Physics | TestHub
- In a photoelectric experiment, the wavelen... | Physics | TestHub
- The electric field of light wave is given... | Physics | TestHub
- In a photoelectric effect experiment, the... | Physics | TestHub
- The surface of a metal is illuminated with... | Physics | TestHub
- Alaser operates at a wavelength of. The nu... | Physics | TestHub
- The work function of a photosensitive mate... | Physics | TestHub
- Assertion : Work function of aluminium is... | Physics | TestHub
- The surface of certain metal is first illu... | Physics | TestHub
- When light of wavelength is incident on a... | Physics | TestHub
- Light is incident normally on a completely... | Physics | TestHub
- An LED is constructed from a p-n junction... | Physics | TestHub
- The surface of a metal is illuminated alte... | Physics | TestHub
- Light of frequencytimes the threshold freq... | Physics | TestHub
- When radiation of wavelengthis used to ill... | Physics | TestHub
- A beam of electromagnetic radiation of int... | Physics | TestHub
- In a photoelectric effect experiment, the... | Physics | TestHub
- Given figure shows few data points in a ph... | Physics | TestHub
- When the wavelength of radiation falling o... | Physics | TestHub
- An electron and proton are separated by a... | Physics | TestHub
- A light beam of wavelengthis incident on a... | Physics | TestHub
- A monochromatic neon lamp with wavelength... | Physics | TestHub
- An electromagnetic wave of wavelengthis in... | Physics | TestHub
- In a photoelectric experiment, ultraviolet... | Physics | TestHub
- In a photoemission experiment, the maximum... | Physics | TestHub
- In a photoelectric experiment, increasing... | Physics | TestHub
- Two identical photocathodes receive the li... | Physics | TestHub
- A certain metallic surface is illuminated... | Physics | TestHub
- The stopping potential in the context of p... | Physics | TestHub
- When radiation of wavelengthis incident on... | Physics | TestHub
- The number of photons per second on an ave... | Physics | TestHub
- Photoelectric work function of a metal is... | Physics | TestHub
- Two stream of photons, possessing energies... | Physics | TestHub
- Given below are two statements:Statement T... | Physics | TestHub
- The stopping potential for electrons emitt... | Physics | TestHub
- Two streams of photons, possessing energie... | Physics | TestHub
- The electric field at a point associated w... | Physics | TestHub
- When light of a given wavelength is incide... | Physics | TestHub
- When two monochromatic lights of frequency... | Physics | TestHub
- The stopping potential for photoelectrons... | Physics | TestHub
- In a photoelectric experiment anode potent... | Physics | TestHub
- When light of frequency twice the threshol... | Physics | TestHub
- Letandbe the maximum kinetic energies of p... | Physics | TestHub
- The light rays having photons of energy ar... | Physics | TestHub
- The light of two different frequencies who... | Physics | TestHub
- The threshold frequency of a photoelectric... | Physics | TestHub
- A metal exposed to light of wavelength and... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- With reference to the observations in phot... | Physics | TestHub
- A parallel beam of light of wavelengthand... | Physics | TestHub
- A point source ofemits light withefficienc... | Physics | TestHub
- The variation of stopping potential as a f... | Physics | TestHub
- If the two metalsandare exposed to radiati... | Physics | TestHub
- A Hydrogen-like atom has atomic number . P... | Physics | TestHub
- Light of frequency falls on a photosensiti... | Physics | TestHub
- A small object at rest, absorbs a light pu... | Physics | TestHub
- In photoelectric effectA. The photocurrent... | Physics | TestHub
- If a source of electromagnetic radiation h... | Physics | TestHub
- The work functions of Aluminium and Gold a... | Physics | TestHub
- The threshold frequency of metal is. When... | Physics | TestHub
- The work functions of Caesium, Potassiuman... | Physics | TestHub
- The threshold wavelength for photoelectric... | Physics | TestHub
- The maximum kinetic energy of the emitted... | Physics | TestHub
- From the photoelectric effect experiment,... | Physics | TestHub
- The difference between threshold wavelengt... | Physics | TestHub
- The minimum wavelength of-rays produced by... | Physics | TestHub
- Given below are two statements :Statement... | Physics | TestHub
- A metallic surface is illuminated with rad... | Physics | TestHub
- A point source of light is placed at the c... | Physics | TestHub
- Which of the following statement is not tr... | Physics | TestHub
- Average force exerted on a non-reflecting... | Physics | TestHub
- Two sources of light emit with a power of.... | Physics | TestHub
- For the photoelectric effect, the maximum... | Physics | TestHub
- If the total energy transferred to a surfa... | Physics | TestHub
- The work function of a substance is. The l... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- UV light of is incident on a photosensitiv... | Physics | TestHub
- A metal surface is illuminated with photon... | Physics | TestHub
- Which of the following phenomena does not... | Physics | TestHub
- If is the work function of photosensitive... | Physics | TestHub
- In a photoelectric effect experiment a lig... | Physics | TestHub
- If is the velocity of light in free space,... | Physics | TestHub
- When UV light of wavelength is incident on... | Physics | TestHub
- Which figure shows the correct variation o... | Physics | TestHub
- Monochromatic light of frequency is produc... | Physics | TestHub
- Given below are two statements :Statement... | Physics | TestHub
- The threshold frequency of a metal with wo... | Physics | TestHub
- In photoelectric experiment energy of irra... | Physics | TestHub
- When a metal surface is illuminated by lig... | Physics | TestHub
- A proton of mass ' ' has same energy as th... | Physics | TestHub
- In photoelectric effect, the stopping pote... | Physics | TestHub
- The energy and momentum of a moving body o... | Physics | TestHub
- The work function of a metal is 3 eV. The... | Physics | TestHub
- In photoelectric effect an em-wave is inci... | Physics | TestHub
- Which of the following options represent t... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- An electron in the ground state of the hyd... | Physics | TestHub
- In photoelectric effect, the stopping pote... | Physics | TestHub
- If and are de Broglie wavelength and kinet... | Physics | TestHub
- The radiation pressure exerted by a 450 W... | Physics | TestHub
- In an experiment with photoelectric effect... | Physics | TestHub
- The work functions of cesium (Cs) and lith... | Physics | TestHub
- An electron of mass ' m ' with an initial... | Physics | TestHub
- A sub-atomic particle of mass is moving wi... | Physics | TestHub
- Given below are two statements: one is lab... | Physics | TestHub
- In photoelectric effect an em-wave is inci... | Physics | TestHub
- A light source of wavelength illuminates a... | Physics | TestHub
- The work function of a metal is 3 eV. The... | Physics | TestHub
- A monochromatic light is incident on a met... | Physics | TestHub
- A photo-emissive substance is illuminated... | Physics | TestHub
- A light source of wavelength illuminates a... | Physics | TestHub
- A photon and an electron, each of eV energ... | Physics | TestHub
- Match List I with List II :List IList IIA.... | Physics | TestHub
- For a metal of work function eV, which of... | Physics | TestHub
- A beam of light falls on a metal surface s... | Physics | TestHub
- A ray of light with wavelength is incident... | Physics | TestHub
- In a photoelectric effect set-up, a point... | Physics | TestHub
- A mirror is hanging by a light string of l... | Physics | TestHub
- Photoelectric effect supports quantum natu... | Physics | TestHub
- A parallel beam of light of intensity I is... | Physics | TestHub
- What is the value of \mathrm{E}_{1} ? | Physics | TestHub
- An LED is made from semiconducting materia... | Physics | TestHub
- How many min photons of wavelength 550nm a... | Physics | TestHub
- A beam of fast moving electrons having cro... | Physics | TestHub
- Ultraviolet radiation of 6.2eV falls on an... | Physics | TestHub
- In an experiment on photoelectric effect,... | Physics | TestHub
- Photons of wavelength 248 nm fall on a met... | Physics | TestHub
- Which one of the following has the largest... | Physics | TestHub
- Monochromatic light with a frequency well... | Physics | TestHub
- A metal plate when exposed to light of wav... | Physics | TestHub
- From the following combinations of physica... | Physics | TestHub
- A nonmonochromatic light is used in an exp... | Physics | TestHub
- In an experiment on photoelectric effect,... | Physics | TestHub
- Statement-1 : When ultraviolet light is in... | Physics | TestHub
- Radiation, with wavelengthfalls on a metal... | Physics | TestHub
- Which of the following phenomena can be ex... | Physics | TestHub
- Statement-1: If the distance between the l... | Physics | TestHub
- The stopping potential for electrons emitt... | Physics | TestHub
- A photoelectric cell is connected to a sou... | Physics | TestHub
- Match Column-I with Column-II.List - IList... | Physics | TestHub
- In photoelectric effect, stopping potentia... | Physics | TestHub
- Given below are two statements : one is la... | Physics | TestHub
- Two identical photons of energy \mathrm{E}... | Physics | TestHub
- For a photoelectric apparatus the variatio... | Physics | TestHub
- The radiation corresponding to transition... | Physics | TestHub
- Let \mathrm{K}_{1} be the maximum kinetic... | Physics | TestHub
- A hydrogen atom prepared in \mathrm{n}=5 d... | Physics | TestHub
- Statement-1: When a beam of white light pa... | Physics | TestHub
- Which of the following statement(s) is/are... | Physics | TestHub
- Which of the following phenomena can be ex... | Physics | TestHub
- When stopping potential is applied in an e... | Physics | TestHub
- Light of wavelength 330 nm falling on a pi... | Physics | TestHub
- If amplitude of electric field in the inci... | Physics | TestHub
- The maximum energies of photoelectrons emi... | Physics | TestHub
- When a certain metallic surface is irradia... | Physics | TestHub
- If c is the velocity of electromagnetic ra... | Physics | TestHub
- By increasing the intensity of incident li... | Physics | TestHub
- A small mirror of mass is suspended by a m... | Physics | TestHub
- The radiation corresponding to transition... | Physics | TestHub
- From the following, the quantity (construc... | Physics | TestHub
- In a photoelectric experiment, the collect... | Physics | TestHub
- A photon of frequency v has a momentum ass... | Physics | TestHub
- Two separate segments of equal area are is... | Physics | TestHub
- The figure shows a photo cell circuit. The... | Physics | TestHub
- A photo-emissive substance is illuminated... | Physics | TestHub
- The graph between the stopping potential \... | Physics | TestHub
- A photoemissive cell C is connected to a l... | Physics | TestHub
- Which of the properties should be in metal... | Physics | TestHub
- What is the value of eV? | Physics | TestHub
- The number of electrons that appear on the... | Physics | TestHub
- The dimensions of the quantity \frac{1}{\v... | Physics | TestHub
- Two black objects of the same diameter, a... | Physics | TestHub
- A metallic plate of surface charge density... | Physics | TestHub
- Match the columns.List - IList - II(A) An... | Physics | TestHub
- Which of the following experiment in Photo... | Physics | TestHub
- A beam of light of wavelength 400 nm and p... | Physics | TestHub
- The wavelength (in Å) of the second source... | Physics | TestHub
- Photons are incident from vacuum on a tran... | Physics | TestHub
- A certain metal has a work function \phi .... | Physics | TestHub
- The work function (in eV) of the emitting... | Physics | TestHub
- In a photoelectric effect experiment, phot... | Physics | TestHub
- In a photoelectric set up the most energet... | Physics | TestHub
- Which of the following are not dependent o... | Physics | TestHub
- When a monochromatic point source of light... | Physics | TestHub
- When a metal surface is illuminated with l... | Physics | TestHub
- The work function of a substance is 4.0 eV... | Physics | TestHub
- In which of the following cases does the i... | Physics | TestHub
- A photo cell is illuminated by a small bri... | Physics | TestHub
- A parallel plate capacitor of capacitance... | Physics | TestHub
- In a photoelectric effect measurement, the... | Physics | TestHub
- Across a photoelectric cell a source of va... | Physics | TestHub
- If the beam used by Ashkin had the intensi... | Physics | TestHub
- We have a photon and an electron of same e... | Physics | TestHub
- The time taken to prepare a print by expos... | Physics | TestHub
- Planck constant has the same dimensions as | Physics | TestHub
- In a photoelectric effect measurement the... | Physics | TestHub
- What is the work function of the cathode? | Physics | TestHub
- The effective area of a photosensitive mat... | Physics | TestHub
- A disc shaped photoelectric detector of ar... | Physics | TestHub
- A surface irradiated with light of wavelen... | Physics | TestHub
- In a series a photoelectric emission exper... | Physics | TestHub
- Light of wavelength 5000\,\mathring{\mathr... | Physics | TestHub
- A metal begins emitting photoelectrons wit... | Physics | TestHub
- Statement-1 : Threshold wavelength of cert... | Physics | TestHub
- A metal surface is illuminated by a radiat... | Physics | TestHub
- As per Bohr model, the minimum energy (in... | Physics | TestHub
- Figure shows the graph of photocurrent ver... | Physics | TestHub
- A small metal plate of area 2\ \mathrm{cm}... | Physics | TestHub
- When a light falls on the anode plate, the... | Physics | TestHub
- In photoelectric effect, we assume the pho... | Physics | TestHub
- If p and E denote the linear momentum and... | Physics | TestHub
- In a photoelectric experiment, electrons a... | Physics | TestHub
- What is quantum yield in the experiment in... | Physics | TestHub
- Light of wavelength \lambda falls on a met... | Physics | TestHub
- A beam of light has two wavelengths 4972 \... | Physics | TestHub
- Consider a beam of light of power 7.2 W in... | Physics | TestHub
- Polychromatic light described at a place b... | Physics | TestHub
- In a photoelectric experiement, if the pot... | Physics | TestHub
- The approximate number of photons in a fem... | Physics | TestHub
- Using the current-voltage characteristics... | Physics | TestHub
- A photon of energy 10.5eV is allowed to in... | Physics | TestHub
- If I is intensity and f is the frequency o... | Physics | TestHub
- The equation \mathrm{E}=\mathrm{pc} is val... | Physics | TestHub
- If the surface of a metal is successfully... | Physics | TestHub
- A light of wavelength \lambda and intensit... | Physics | TestHub
- Two beams, one of red light and the other... | Physics | TestHub
- The work function of silver and sodium are... | Physics | TestHub
Radioactivity(175)
- Given below are two statements:Assertion (... | Physics | TestHub
- A certain radioactive element has a half-l... | Physics | TestHub
- A deuteron is bombard on nuclei than -part... | Physics | TestHub
- A sample of radioactive element contains a... | Physics | TestHub
- In a material medium, when a positron meet... | Physics | TestHub
- A radioactive substance decays to of its i... | Physics | TestHub
- A nuclear reaction given by represents:NEE... | Physics | TestHub
- Assertion : Radioactive nuclei emit partic... | Physics | TestHub
- Radioactive nuclei that are injected into... | Physics | TestHub
- A sample of radioactive element has a mass... | Physics | TestHub
- The half life of a radium is about 1600 ye... | Physics | TestHub
- Carbon dating is best suited for determini... | Physics | TestHub
- Assertion : from the radioactive fall out... | Physics | TestHub
- A radioactive material has a half-life of... | Physics | TestHub
- If alpha, beta and gamma rays carry same m... | Physics | TestHub
- Assertion : Cobalt-60 is useful in cancer... | Physics | TestHub
- has 92 protons and 238 nucleons. It decays... | Physics | TestHub
- In a radioactive material the activity at... | Physics | TestHub
- The difference between the rest mass of th... | Physics | TestHub
- Match the following columns | Physics | TestHub
- Half-life of a radio active substance ' '... | Physics | TestHub
- The fossil bone has a ratio, which is of t... | Physics | TestHub
- The half life period of Radium is 3 minute... | Physics | TestHub
- The radius of nucleus is | Physics | TestHub
- In a radioactive decay process, the negati... | Physics | TestHub
- Assertion : from the radioactive fall out... | Physics | TestHub
- Two radioactive substances and have decay... | Physics | TestHub
- atoms of a radioactive element emit beta p... | Physics | TestHub
- Two radioactive materials and have decay c... | Physics | TestHub
- Assertion : from the radioactive fall out... | Physics | TestHub
- A solid spherical conductor of radius has... | Physics | TestHub
- The radioactivity of a certain material dr... | Physics | TestHub
- A radioactive sample having an activity of... | Physics | TestHub
- Two radioactive materials and have decay c... | Physics | TestHub
- The number of beta particles emitted by a... | Physics | TestHub
- In the nuclear decay given below the parti... | Physics | TestHub
- If the half lives of a radioactive element... | Physics | TestHub
- In the nuclear decay given below : The par... | Physics | TestHub
- Which of the following hormones contains i... | Physics | TestHub
- A radioactive nucleus is being produced at... | Physics | TestHub
- Two radioactive materials and have decay c... | Physics | TestHub
- The number of beta particles emitted by a... | Physics | TestHub
- Two radioactive substances and have decay... | Physics | TestHub
- The decay constant of a radio isotope is .... | Physics | TestHub
- To determine the half-life of a radioactiv... | Physics | TestHub
- The activity of a radioactive sample is me... | Physics | TestHub
- Silver has a work function of . When ultra... | Physics | TestHub
- The intensity of gamma radiation from a gi... | Physics | TestHub
- A nucleus emits one -particle and two part... | Physics | TestHub
- absorbs energy and decays into which eleme... | Physics | TestHub
- The power obtained in a reactor using disi... | Physics | TestHub
- Two radioactive nuclei and , in a given sa... | Physics | TestHub
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X-rays(103)
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