Photoelectric EffectMedium
Question
When a point source of monochromatic light is at a distance of 0.2 m from a photoelectric cell, the cut - off voltage and the saturation current are 0.6 volt and 18 mA respectively. If the same source is placed 0.6 m away from the photoelectric cell, then :-
Options
A.The stopping potential will be 0.2 V
B.The stopping potential will be 0.6 V
C.The saturation current will be 6 mA
D.The saturation current will be 18 mA
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