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

will increase

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will decrease

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will remain constant

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Solution

The correct option is C will remain constant
So when the light source is moved away from the emitter plate then the intensity falling on the plate reduces but not the frequency of the light source.

As the stopping potential only depends upon the frequency of light source and not on its intensity, it will remain constant.

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