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Mention any three properties of a photon...

Mention any three properties of a photon.

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(i) A photon travels with the speed of light.
(ii) The rest mass of a photon is zero.
(iii) Energy of a photon of frequency v is `E = hv`. Other properties of a photon:
(iv) A photon is associated with whole integral spin.
A photon has a linear momentum, ` p = mc`.
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