A point source of light is used in a photoelectric effect. If the source is removed 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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will either increase or decrease.

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Solution

The correct option is C
will remain constant

As the point source moves away, the intensity decreases but the frequency remains the same. Thus the stopping potential does not change.

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

The correct option is C will remain constant As the point source moves away, the intensity decreases but the frequency remains the same. Thus the stopping potential does not change.

The correct option is C
will remain constant

As the point source moves away, the intensity decreases but the frequency remains the same. Thus the stopping potential does not change.