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Which one of the following is true in ph...

Which one of the following is true in photoelectric emission

A

Photoelectric current is directly proportional to the amplitude of light of a given frequency

B

Photoelectric current is directly proportional to the intensity of light of a given frequency at moderate intensities

C

Above the threshold frequency, the maximum K.E. of photoelectrons is inversely proportional to the frequency of incident light

D

The threshold frequency depends upon the wavelength of incident light

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The correct Answer is:
B
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