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Ajay Panthagani Grade: 11
        
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?
 
one year ago

Answers : (2)

Umakant biswal
5362 Points
										
@ 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 
one year ago
Aejaz husain
6 Points
										Photons in motion possess mass,hence energy.zero rest mass means no photon,hence no energy.photon in motion have momentum,velocity etc
										
one year ago
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