If p is the momentum of the fastest electron ejected from a metal surface after the irradiation of light having wavelength λ, then for (A)5 p momentum of the photoelectron, the wavelength of the light should be:
(Assume kinetic energy of ejected photoelectron to be very high in comparison to work function)
(A) (3/4)λ
(B) (1/2)λ
(C) (4/9)λ
(D) (2/3)λ
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Explanation:
If p is the momentum of the fastest electron ejected from a metal surface after the irradiation of light having wavelength λ, then for (A)5 p momentum of the photoelectron, the wavelength of the light should be:
(Assume kinetic energy of ejected photoelectron to be very high in comparison to work function)
(A) (3/4)λ
(B) (1/2)λ
(C) (4/9)λ✓✓✓
(D) (2/3)λ
Answered by
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Option (C) is correct
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