Find the de Broglie wavelength of a ball of mass 0.1 kg moving with a velocity of 10 m s⁻¹.
1. 662.6 × 10–34 m
2. 66.26 × 10–34 m
3. 6.626 × 10–34 m
4. 6.626 × 10–36 m
The mass of a photon with wavelength 3.6 Å is :
| 1. | 5.135 × 10–29 kg | 2. | 61.35 × 10–33 kg |
| 3. | 613.5 × 10–29 kg | 4. | 6.135 × 10–33 kg |