Assertion : In the process of photoelectric e | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

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.

Similar Questions

Light of frequency $4\nu_0$ is incident on a metal surface with threshold frequency $\nu_0$. The maximum kinetic energy of the emitted photoelectrons is:

When photons of energy $hf$ fall on an aluminium plate (of work function $E_0$),photoelectrons of maximum kinetic energy $K$ are ejected. If the frequency of radiation is doubled,the maximum kinetic energy of the ejected photoelectrons will be:

Two radiations of photon energies $1 \; eV$ and $2.5 \; eV$ successively illuminate a photosensitive metallic surface of work function $0.5 \; eV$. The ratio of the maximum speeds of the emitted electrons is

When light of wavelength $300 \ nm$ falls on a photoelectric emitter,photoelectrons are just liberated. For another emitter,light of wavelength $600 \ nm$ is just sufficient for liberating photoelectrons. The ratio of the work function of the two emitters is

Energy of a photoelectron depends on which factors?

Vedclass Test Series

Exam Paper Generator

Online Exam Module