A. | The energy of a photon is \(E=h\nu.\) |
B. | The velocity of a photon is \(c.\) |
C. | The momentum of a photon, \(p={\large\frac{h\nu}{c}}.\) |
D. | In a photon-electron collision, both total energy and total momentum are conserved. |
E. | Photon possesses positive charge. |
The number of photons per second on an average emitted by a source of monochromatic light of wavelength \(600~\text{nm}\), when it delivers the power of \(3.3\times 10^{-3}\) watt will be: \((h = 6.6\times10^{-34}~\text{J-s})\)
1. \(10^{16}\)
2. \(10^{15}\)
3. \(10^{18}\)
4. \(10^{17}\)