According to einsteins equation E=MC 2 we can say that energy is related to mass. then if photons have zero rest mass then how can we say they have energy?

Question

Umakant biswal · Answer

@ ajay you mentioned photons have zero rest mass . that means when photon will be at rest position then it have 0 mass . but at moving position they posses some kind of mass . HOPE IT CLEARS NOW

Aejaz husain · Answer

Photons in motion possess mass,hence energy.zero rest mass means no photon,hence no energy.photon in motion have momentum,velocity etc

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According to einsteins equation E=MC 2 we can say that energy is related to mass. then if photons have zero rest mass then how can we say they have energy?

According to einsteins equation E=MC² we can say that energy is related to mass. then if photons have zero rest mass then how can we say they have energy?

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According to einsteins equation E=MC 2 we can say that energy is related to mass. then if photons have zero rest mass then how can we say they have energy?

According to einsteins equation E=MC2 we can say that energy is related to mass. then if photons have zero rest mass then how can we say they have energy?

2 Answers

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According to einsteins equation E=MC² we can say that energy is related to mass. then if photons have zero rest mass then how can we say they have energy?