Question
Question: The energy of a photon is \(p = \frac { h } { \lambda }\), then the velocity of photon will be....
The energy of a photon is p=λh, then the velocity of photon will be.
A
E/p
B
Ep
C
(pE)2
D
3×108 m/s
Answer
E/p
Explanation
Solution
Momentum of photon p=cE
⇒Velocity of photon c=pE