Home Physics Atomic and Nuclear Physics Atomic Structure In photoelectric effect when photons of ener…
Physics Atomic and Nuclear Physics Atomic Structure MCQ (Single Correct)

In photoelectric effect when photons of energy fall on a photosensitive surface (work function ) electrons are emitted from the metallic surface. It is possible to say that

A
All ejected electrons have the same K.E. equal to hv – hv 0
B
The ejected electrons have a distribution of K.E., from zero to hv – hv 0
C
The most energetic ejected electrons have K.E. equal to hv.
D
The K.E. of the ejected electrons is hv 0

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The correct answer is:
B

and hence the energies of electrons can range anywhere between these values.

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