Assertion : In the process of photoelectric e | vedclass

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Question

(B) The Assertion is correct because even for a monochromatic source, electrons emitted from deeper layers of the metal lose energy due to collisions

Vedclass · Accepted Answer

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

Vedclass · Answer

(B) The Assertion is correct because even for a monochromatic source, electrons emitted from deeper layers of the metal lose energy due to collisions before escaping, resulting in a range of kinetic energies from $0$ to $K_{max}$.The Reason is also correct because, according to Einstein's photoelectric equation $K_{max} = h
u - \Phi$, if the incident radiation has different wavelengths (and thus different frequencies $
u$), the energy acquired by the electrons will vary.However, the Reason is not the correct explanation for the Assertion because the primary reason for the variation in kinetic energy (even for monochromatic light) is the energy loss during the escape of electrons from different depths within the metal.

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