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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsMiscellaneousEasy2 minQB

PhysicsEasysingle choice

A wave of the wavelength $5900 Å$ emitted by an atom or molecule must have some finite total length which is known as coherence length. For the mentioned wave, this length is $2.4 cm$ . The number of oscillations in this length will be

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Answer:

Solution:

Number of oscillations in coherence length $\frac{l}{λ} = \frac{0 .024}{5900 \times 10^{- 10}}$

$= 40677.9$

$= 4.068 \times 10^{4}$

Stream:JEESubject:PhysicsTopic:Wave OpticsSubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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