If a particle is masseless does that mean it has no substance to it or volume?

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If a particle is masseless does that mean it has no substance to it or volume?

2006-11-15 14:06:04 · 2 answers · asked by goring 6 in Science & Mathematics ➔ Physics

2 answers

Yes, if a particle is massless, it has no volume.

An electron is considered to have no mass. It actually has a mass of around 1/1600 of a proton. A neutron is that much heavier than a proton.

2006-11-15 14:14:31 · answer #1 · answered by science teacher 7 · 0⤊ 0⤋

Yup, like a tau neutrino.

2006-11-15 14:10:23 · answer #2 · answered by Anonymous · 0⤊ 0⤋