Physics Electron, Photon, Photoelectric Effect and X-rays Karnataka - CET Previous Year Question MCQ (Single Correct)

Light of certain frequency and intensity incident on a photosensitive material causes photoelectric effect. If both the frequency and intensity are doubled, the photoelectric saturation current becomes

A
halved
B
quadrupled
C
unchanged
D
doubled.

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The correct answer is:
D

Photoelectric current Intensity

The photoelectric saturation current does not depend on frequency of the light.

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