The energy of a photon is called surprisingly enough photon energyor phonton quantum energy  Not kinetic energy because its mass cannot be determined independent of its velocity The rest mass of a photon IS zero If the photon travels at light speed it would seem that its energy can be equated to 12mc2 and so its relativistic mass is m 2Ehc2

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The energy of a photon is called surprisingly enough photon energyor phonton quantum energy  Not kinetic energy because its mass cannot be determined independent of its velocity The rest mass of a photon IS zero If the photon travels at light speed it would seem that its energy can be equated to 12mc2 and so its relativistic mass is m 2Ehc2

