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Photoelectric Effect

Kinetic energ...

Question

Kinetic energy of photoelectrons emitted when a light of energy 12 J is incident on a metal surface with work function 8.68 J.

A

3.32 J

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B

20.68 J

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C

-3.32 J

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D

-20.68 J

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Solution

The correct option is A 3.32 J

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