Science, asked by bibek2619, 1 year ago

why is a photon cell massless?

Answers

Answered by 123sona
0
According to the special theory of relativity, any particle with a finite mass requires an infinite amount of energy to reach the speed of light. ... Only massless particles are allowed to travel at the speed of light. Photon is massless, hence it can travel with the speed of light.

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bibek2619: why it doesn't have mass?
Answered by ParulG
0
heyaaa ....

Photon is massless, hence it can travel with the speed of light. The energy of a photon is given by E = p c where p is the momentum of the photon. There is nothing special about the photon having zero mass. ... EM is described by a gauge theory because the photon has zero mass.

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