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A photon of energy h upsilon is absorbed...

A photon of energy `h upsilon` is absorbed by a free electron of a metal having work function `phi lt h upsilon`

A

the electron is sure to come out.

B

The electron is sure to come out with a kinetic energy `(hv-varphi)`.

C

Either the electron does not come out or it comes out with a kinetic energy `(hv - varphi)`.

D

It may come out with a kinetic energy less than `(hv - varphi)`

Text Solution

Verified by Experts

The correct Answer is:
D
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