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Stopping Potential vs Frequency

In photoelect...

Question

In photoelectric effect, which of the following property of incident light will not affect the stopping potential ?

A

Frequency

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B

Wavelength

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C

Energy

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D

Intensity

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Solution

The correct option is D Intensity
More is the frequency , more is the energy of photo electrons emitted and more will be potential required to stop the electrons.
as frequency $v \propto \frac{1}{λ} \propto$ energy.
Stopping potential is independent of intensity.
So, the correct answer is D.

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