Question

What do you mean by refraction of light ?​

Answer 1

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Refraction of light is the phenomenon of change in the path of light in going from one medium to another.

In going from a rarer to a denser medium, the ray of light bends towards normal and in going from a denser to a rarer medium, the ray of light bends away from normal.

Answer 2

Answer:

Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows.