AIPMT PRELIMS2004Physics-Semiconductors

AIPMT PRELIMS 2004 Physics Photoelectric Effect MCQ Question

Type: MCQ-conceptual-Medium-Class 12

In a p-n junction photo cell, the value of the photo electromotive force produced by monochromatic light is proportional to :-

A

The intensity of the light falling on the cell

B

The frequency of the light falling on the cell

C

The voltage applied at the p-n junction

D

The barrier voltage at the p-n junction

Correct Answer

Option A

Detailed Explanation

The photoelectric effect depends on the frequency of the incident light, not its intensity.

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