Question

why are light and sound not considered a matter​

Answer 1

The "particles" of light are called photons and have no mass. In contrast, matter is made up of particles that do have mass. Sound is a little different in that it is the propagation of a pressure wave through a medium of particles. Since it is a wave, it is not considered a form of matter.

Answer 2

Answer:

Light and sound are not considered as a matter, because it have not mass,weight,

volume and doesn't occupies space and not have area.

It is non visible.

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