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The energy of a photon is E = hv and the...

The energy of a photon is `E = hv` and the momentum of photon `p = (h)/(lambda)` , then the velocity of photon will be

A

E/p

B

Ep

C

`[E//p]^(2)`

D

`[E//p]^(1//2)`

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The correct Answer is:
A
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