Vvb posted an Question
July 19, 2020 • 17:09 pm 25 points
  • IIT JAM
  • Physics (PH)

How photon has momentum as it has no mass?

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    Somnath best-answer

    rest mass means mass measured by an observer who is in photon frame(whith respect to whom the photon is at rest).Relativistic mass is the mass measured by an observer who is in different frame(with respect to whom the photon is moving).

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