Q 12-11-007NEETNEET 2024Top questionEasy
If $c$ is the velocity of light in free space, the correct statements about photon 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 positive charge.
Choose the correct answer from the options given below :
Answer: (D) A, B, C and D only
Concept. Photon properties: $E = h\nu$, speed $c$, $p = \dfrac{h\nu}{c}$, neutral.
Step 1. Check. A ✓, B ✓, C ✓, D (Compton: energy and momentum conserved) ✓, E photons are neutral ✗.
Answer. A, B, C and D only (Option D).
Solution by Sreeraj P, M.Sc Physics