Mass of a photon

Electricity and Magnetism Level 1

True or false : Photons have REST mass because they have momentum.

True False

Nethra Ramakrishnan by Nethra Ramakrishnan , 14, Japan

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1 solution

Photons are only found travelling at the light velocity c. Therefore, they do not have a REST mass.

0 Helpful 1 Interesting 0 Brilliant 0 Confused

But they do have mass. But not a REST one.

Nethra Ramakrishnan - 10 months, 1 week ago

I didn't know that, cool problem and solution!

A Former Brilliant Member - 10 months, 1 week ago

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Glad you like it. You will like this too then - https://www.khanacademy.org/science/physics/quantum-physics

Nethra Ramakrishnan - 10 months, 1 week ago

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Are you on Khan academy too? I have watched many videos there, and yes I love the Physics Library, but I didn't complete it, thanks for the link! @Akiko Date

A Former Brilliant Member - 10 months, 1 week ago

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@A Former Brilliant Member – I am on khan academy. I love their Physics library too!

Nethra Ramakrishnan - 10 months, 1 week ago

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