Vvb posted an Question
July 19, 2020 • 03:40 am 20 points
  • IIT JAM
  • Physics (PH)

Rest mass of photon is zero. so why photon has mass in moving condition?

Rest mass of photon is zero. So why photon has mass in moving condition?

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  • Mahak best-answer

    acc to str light always travel with speed of light and is never at rest . so photons have zero rest mass this means as photons do not have rest mass they have energy and thus have mass means rest mass is zero and in moving condition mass is due to energy associated with it

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