Does light have mass? Why?
87598
Can we define the effective mass or the moving mass of a photon?
44178
Why is light invisible?
52833
Is heat always associated with Light?
116949
What gives mass to black hole?
117653
How does light travel?
51589
Can virtual particle have mass?
84743
Why is light described by a null geodesic?
32388
Does relativistic mass have weight?
68726
Does photon have size measurement because of its particle nature
76255
Does a gluon have mass or not?
136086
Can light be trapped theoretically?
13563
What really causes light/photons to appear slower in media?
31390
What prevents photons from getting mass from higher order Feynman diagrams
82362
Is there a fundamental reason why gravitational mass is the same as inertial mass?
22168
What keeps mass from turning into energy?
2154
Why doesn't gravity speed up light?
112366
Is mass an observable in Quantum Mechanics?