Question

what is reflection .don't spam​

Answer 1

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Reflection is the change in direction of a wave at a boundary between two different media. For example : reflection of light , sound and a water wave.

Answer 2

Answer:

Reflection:

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.

Reflection of light

The return back of a ray of light into the same medium after striking a surface is known as reflection of light.

Reflection of Sound

Bouncing back of sound wave from the surface of solid or liquid is called reflection of sound.