Which one of the following is true in photoelectric emission
Text Solution
Verified by ExpertsThe correct answer is:
B
For photoelectric effect frequency of the incident light should be greater than the threshold frequency of the metal.
Photoelectric current is directly proportional to the square of the amplitude of
light.
Maximum kinetic energy of photoelectrons 
where, h is planks constant.
is frequency of incident light
is work function of metal.
Threshold frequency is property of the material not of intensity of incident light.
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