Question

The process of photoelectric emission depends on

A

Temperature of incident light

B

Nature of surface

C

Speed of emitted photo electrons

D

Speed of the incident light

Easy

Solution

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Correct option is
B

Nature of surface

Photo electric effect happens only if energy of electrons is greater than threshold energy, i.e the  work function.
Work function depends on material.
photo electric emission on depends. on nature of surface.

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