MHT CET 2022 Physics question

In Photoelectric effect, the kinetic energy of electrons emitted from the metal surface depends upon

(A)intensity of incident light.
(B)both intensity and velocity of incident light.
(C)frequency of incident light.Correct
(D)velocity of incident right.

Answer: (C)

Solution

Einstein's photoelectric equation is , where is the frequency of the incident light and the work function of the metal. Thus the kinetic energy of emitted electrons depends on the frequency of the incident light (and the metal), option (c).

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Question ID VK-093456