Question

what is refraction? Explain in brief

Answer 1

change in direction of propagation of any wave as a result of its travelling at different speeds at different points along the wave front.
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Answer 2

Heya!!
This is your answer:-
The bending of light from one medium to another medium is called refraction.
Refraction is seen most often when a wave passes from one medium to a different medium. There are different types of medium include air , water , vacuum , etc