Question

what is the photon explain it

Answer 1

Heya friend
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A photon, the quantum of electromagnetic radiation,  is an elementary particle, which is the force carrier of the electromagnetic force. The modern photon concept was developed (1905) by Albert Einstein to explain of the photoelectric effect, in which he proposed the existence of discrete energy packets during the transmission of light.

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@cathrin

Answer 2

Answer:

The individual light quantum of definite energy and momentum can be associated with a particle. This particle is named Photon.