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What is the momentum of light?

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What is the momentum of light?

Posted by Swati Bhardwaj 7 years, 10 months ago

CBSE > Class 11 > Physics

2 answers

Utkarsh Mishra 7 years, 10 months ago

The rest mass of photon is zero. Not the moving mass.

Abhishek Choudhary 7 years, 10 months ago

Light is composed of photons, so we could ask if the photon has mass. The answer is then definitely "no": the photon is a massless particle. ... Energy, they say, is equivalent to mass according to Einstein's famous formula E = mc2. They also say that a photon has momentum, and momentum p is related to mass m by p = mv.

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