Nuclear Physics and RadioactivityHard

Question

A photoelecrtic cell illuminated by a point source of light 1 m away. When the source is Shifted to 2m then-

Options

A.each emitted electron carries one quarter of the initial energy
B.number of electrons emitted is half the initial number
C.each emitted electron carries half the initial number
D.number of electrons emitted is a quarter of the initial energy

Solution

∵ I ∝ ∴ Intensity becomes th

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