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प्रश्न
A point source of light is used in a photoelectric effect. If the source is removed farther from the emitting metal, the stopping potential
विकल्प
will increase
will decrease
will remain constant
will either increase or decrease
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उत्तर
will remain constant
As the source is removed farther from the emitting metal, the intensity of light will decrease. As the stopping potential does not depend on the intensity of light, it will remain constant.
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