In twenty five words or less,precluding E=MC2, does light have mass?

2 ⤊

2007-08-26 11:05:48 · 5 answers · asked by Al 2 in Science & Mathematics ➔ Physics

The photon has relativistic mass, but no rest mass. This means it can never be brought to a rest.

2007-08-26 15:03:45 · answer #1 · answered by Dr. R 7 · 0⤊ 0⤋

that answers it own question, but yes light particles have mass. Energy is made of waves which are made by particles.

2007-08-26 18:31:47 · answer #2 · answered by Anthony 1 · 0⤊ 1⤋

yes

2007-08-26 18:12:54 · answer #3 · answered by Anonymous · 1⤊ 0⤋

Yes, how else could you measure its 'speed?' It has substance that eminates energy... and... and... 'Cause I said it does... :-)

2007-08-26 18:23:10 · answer #4 · answered by Avatar 2 · 0⤊ 1⤋

No.

2007-08-29 11:19:22 · answer #5 · answered by johnandeileen2000 7 · 1⤊ 0⤋