Question

what is reflections​

Answer 1

Explanation:

The throwing back by a body or surface of light, heat, or sound without absorbing it

e.g. The reflection of light.

Serious thought or consideration

e.g.He doesn't get much time for reflection.

The conceptual operation of inverting a system or event with respect to a plane, each element being transferred perpendicularly through the plane to a point the same distance the other side of it.

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Answer 2

Answer:

the phenomenon of a propagating wave (light or sound ) being thrown back from a surface.