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Question

The number of electrons emitted by a surface exposed to light is directly proportional to

A
Frequency of light
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B
Work function
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C
Thereshold wavelength
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D
Intensity of light
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Solution

The correct option is C Intensity of light
Number of electrons emitted by a surface exposed to light is directly proportional to intensity of light and independent to frequency of incident light, work function of material and threshold wavelength.

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