Questions
A point source of light is used in an experiment on photoelectric effect. Which of the following curves best represnts the variation of photoelectric current ‘i’ with distance ‘d’ of the source from the emitter?
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Correct option is D
Intensity of light is inversely proportional to distance fro the sourceSimilar Questions
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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