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A monochromatic source of lightis placed...

A monochromatic source of lightis placed at a large distance d From a metal surface. Photoelectrons are ejected at rate n, the kinetic energy being E. If the source is brought nearer to distance `(d)/(2)`, the rate and kinetic energy per photoelectron become nearly

A

2n and 2E

B

4n and 4E

C

4n and E

D

n and 4E

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The correct Answer is:
C
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