what is a photon?

Asked by prakamya | 18th Nov, 2009, 12:59: PM

Expert Answer:

Light is an electromagnetic wave. Photon is a particle which carries electromagnetic force.

In other words, light consists of particles called photons which has zero rest mass. We can never find a photon at rest.

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Answered by  | 18th Nov, 2009, 11:00: PM

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