Question

What is refraction?give example

Answer 1

RefractionThe bending of a wave as it passes from one medium to another. Refraction signifies a change in velocity (speed) of the wave. is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another.
Example -
Your eyes

Rainbows

Light bending in a glass of water

Glasses

Answer 2

refraction of light is most commonly observed phenomenon, but any type of wave can refract when it interacts with a medium, for example when sound wave passes from one medium to another.
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