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30/12/2021 1:20 pm
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In a photoelectric effect, if the intensity of light is increased then
(a) Frequency increases
(b) Number of photons increases
(c) Kinetic energy of photoelectron increases
(d) Momentum of photon increases
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30/12/2021 1:23 pm
Correct answer: (b) Number of photons increases
Explanation:
N = \(\frac{IA}{hv}\)
Hence, on an increase in the intensity of light, the number of photons will increase.