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A photoelectric cell is illuminated by a...

A photoelectric cell is illuminated by a point sources of light 1 m away. When the sources is shifted to 2 m then

A

each emitted electron carries one quarter of the initial energy

B

number of electrons emitted is half the initial number

C

each emitted electrons carries half the initial energy

D

number of electrons emitted is quarter of the initial number

Text Solution

Verified by Experts

The correct Answer is:
D
(d) : Photoelectric current `Iprop` intensity of light and intensity `prop(1)/(("distance")^(2))`
`:.prop(1)/(("distance")^(2))`
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