Physics - Modern Physics Question with Solution | TestHub

PhysicsModern PhysicsDe Broglie & Matter WavesEasy2 minPYQ_2021

PhysicsEasystatement

An electron having de-Broglie wavelength $λ$ is incident on a target in a $X$ -ray tube. Cut-off wavelength of emitted $X$ -ray is:

Answer:

Solution:

$λ = \frac{h}{m v}$

Kinetic energy, $\frac{P^{2}}{2 m} = \frac{h^{2}}{2 m λ^{2}} = \frac{h c}{λ_{c}}$

$λ_{c} = \frac{2 m λ^{2} c}{h}$

Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:De Broglie & Matter Waves

⏱ 2mℹ️ Source: PYQ_2021

Loading discussions...