AIPMT PRELIMS2011Physics-Electromagnetic Waves

AIPMT PRELIMS 2011 Physics Photoelectric Effect MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Photoelectric emission occurs only when the incident light has more than a certain minimum

A

Frequency

B

Power

C

Wavelength

D

Intensity

Correct Answer

Option A

Detailed Explanation

Photoelectric emission requires the incident light to have a frequency higher than the threshold frequency to provide sufficient energy to eject electrons.

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