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Dual Nature Of Radiation And Matter

Question
CBSEENPH12047896

In photoelectric effect, the number of photo-electrons emitted is proportional to

  • velocity of incident beam

  • frequency of incident beam

  • intensity of incident beam

  • work function for cathode material

Solution

C.

intensity of incident beam

By increasing the intensity of incident beam, the number of emitted photo-electrons can be increased. Hence, number of photo-electrons emitted is proportional to the intensity of the incident beam.