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| 1. |
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): |
| A. | \(\frac{3}{4}\lambda \) |
| B. | \(\frac{1}{2}\lambda \) |
| C. | \(\frac{2}{3}\lambda \) |
| D. | \(\frac{4}{9}\lambda \) |
| Answer» E. | |