In a photoelectric experiment, increasing the intensity of …

Physics Dual Nature of Matter & Radiation Photoelectric Effect Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

In a photoelectric experiment, increasing the intensity of incident light:

increases the number of photons incident and also increases the K.E. of the ejected electrons

increases the frequency of photons incident and increases the K.E. of the ejected electrons.

increases the frequency of photons incident and the K.E. of the ejected electrons remains unchanged

increases the number of photons incident and the K.E. of the ejected electrons remains unchanged

Text Solution

Verified by Experts

The correct answer is:

Increasing intensity means number of incident photons are increased.

Kinetic energy of ejected electrons depend on the frequency of incident photons, not the intensity.

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