Vvb posted an Question
July 19, 2020 • 19:04 pm 20 points
  • IIT JAM
  • Physics (PH)

What is difference between rest mass and relativistic mass if photon?

what is difference between rest mass and relativistic mass if photon?

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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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    Dhairya sharma

    photon doesn't exists in rest they only hv Relativistic mass bcoz their velocity is c.

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