If p is the momentum of the fastest electron ejected from a metal surface after the…
Chemistry · JEE Main · NTA Exams — Atomic Structure
If p is the momentum of the fastest electron ejected from a metal surface after the irradiation of light having wavelength λ, then for 1.5 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)
- \(\frac{4}{9} \lambda\)
- \(\frac{2}{3} \lambda\)
- \(\frac{3}{4} \lambda\)
- \(\frac{1}{2} \lambda\)
Answer
(A) 4 9
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