MHT CET Physics question

Physics Dual Nature of Matter and Radiation MHT CET

A point source of light is used in a photoelectric effect. If the source is removed farther from the emitting metal, then the stopping potential

(A)will increase
(B)will decrease
(C)will remain constantCorrect
(D)will either increase or decrease

Answer: (C)

Solution

Moving the source away reduces the intensity (and so the saturation current) but not the frequency, and

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Question ID VK-083676