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in Physics by (71.7k points)

A cesium photocell with a steady potential difference of 60 V across it, is illuminated by a small bright light placed 1 m away. When the same light is placed 2 m away, the electrons crossing the photocell- 

(A) Each carry one quarter of their previous momentum 

(B) Each carry one quarter of their previous energy 

(C) Are one quarter as numerous 

(D) Are half as numerous

1 Answer

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Best answer

Correct option (C) Are one quarter as numerous

Explanation:

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