In photoelectric effect, the kinetic energy of photoelectrons increases linearly with the:
1. Wavelength of incident light.
2. Frequency of incident light.
3. Velocity of incident light.
4. Atomic mass of an element.
A photon of wavelength 4 × 10–7 m strikes a metal surface, the work function of the metal being 2.13 eV. The kinetic energy of emission would be:
1. | 0.97 eV | 2. | 97 eV |
3. | 4.97 × eV | 4. | 5.84 × 105 eV |
1. 32.22 × 10–16 J
2. 12.22 × 10–16 J
3. 22.27 × 10–16 J
4. 31.22 × 10–16 J