If \(c\) is the velocity of light in free space, the correct statements about photons among the following are:
| (A) |
The energy of a photon is \(E=h\nu.\) |
| (B) |
The velocity of a photon is \(c.\) |
| (C) |
The momentum of a photon, \(p={\dfrac{h\nu}{c}}.\) |
| (D) |
In a photon-electron collision, both total energy and total momentum are conserved. |
| (E) |
Photon possesses a positive electric charge. |
Choose the correct answer from the options given below:
| 1. |
(A), (B), (C) and (D) only |
| 2. |
(A), (C) and (D) only |
| 3. |
(A), (B), (D) and (E) only |
| 4. |
(A) and (B) only |