Question

A photoelectric cell is illuminated by a point
source of light 1 m away. When the source is
shifted to 2 m then
(a) number of electrons emitted is a quarter of
the initial number
(b) each emitted electron carries one quarter of
the initial energy
(c) number of electrons emitted is half the initial
number
(d) each emitted electron carries half the initial
energy

Answer 1

(a) number of electrons emitted is a quarter of

the initial number

(b) each emitted electron carries one quarter of

the initial energy

(c) number of electrons emitted is half the initial

number

(d) each emitted electron carries half the initial

energy✔✔✔

Answer 2

Answer:

option d is the right answer

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