If is the momentum of the fastest electron ejected from a metal surface after the irradiation of light having wavelength , then for 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)
(Assume kinetic energy of ejected photoelectron to be very high in comparison to work function)
- A.
- B.
- C.
- D.
Show answer
Correct option: A
[JEE Main 2019 · 8 Apr · Shift II]