Is light made of matter and does it have mass?

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Is light made of matter and does it have mass?

2007-02-06 08:57:55 · 2 answers · asked by rickbar2 2 in Science & Mathematics ➔ Physics

2 answers

Light is made of little packets (called quanta) of energy called photons. Photons are not matter; they are energy. They do not have mass. However, they do have momentum, and can be affected by gravitational fields, as put forth by Einstein.

2007-02-06 09:04:08 · answer #1 · answered by Grizzly B 3 · 1⤊ 0⤋

no and no

2007-02-06 09:06:08 · answer #2 · answered by dharp66 3 · 0⤊ 0⤋