Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV . minimum kinetic

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11.Dual Nature of Radiation and matter

easy

Photons of energy $6 eV$ are incident on a metal surface whose work function is $4 eV$. The minimum kinetic energy of the emitted photo-electrons will be ........... $eV$

A

$0 $

B

$1 $

C

$2 $

D

$10 $

Solution

(a) Minimum kinetic energy is always zero.

Standard 12

Physics

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