Questions
To observe the effect of intensity of light on photocurrent,
a
collector is maintained at positive potential with respect to emitter
b
frequency of incident light is kept fixed
c
accelerating potential is fixed
d
distance of source from emitter is kept constant
detailed solution
Correct option is B
Frequency is kept fixed so as to get a direct relation between instensity of light and photocurrentTalk to our academic expert!
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A photo cell is illuminated by a small bright source placed at 1m away. When the same source of light is placed 2m away, which of the following is true about the electrons emitted by the photo cathode?
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