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The energy E and momentum p of photon is given by E = hv and  p = h/λ, the velocity of photon will be :
  • a)
    Ep
  • b)
    [E/p]2
  • c)
    E/p
  • d)
    [E/p]1/2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The energyEand momentumpof photon is given byE = hvand p = h/λ,...
E = hc/λ     put c = v
and  p = h/λ
E = pv
⇒ v = E/p 
The correct answer is: E/p
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Most Upvoted Answer
The energyEand momentumpof photon is given byE = hvand p = h/λ,...
Λ, where h is the Planck's constant, v is the frequency of the photon, and λ is the wavelength of the photon.
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