Is Photon Mass a Reality Despite Its Momentum and Energy?

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Ferdricklove

Does a photon have a mass?

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ghwellsjr

Science Advisor

Gold Member

Ferdricklove said:

Does a photon have a mass?

Did you look on the Relativity FAQ list for the answer to this Frequently Asked Question?

wabbit

Science Advisor

Gold Member

Huh ?

A photon has momentum, and energy as well, this doesn't mean it has mass.