Question

what is refraction

give definition​

Answer 1

Answer:

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Answer 2

Answer:

In physics, refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium.

Explanation:

formula

Index of refraction n=cv n = c v , where v is the speed of light in the material, c is the speed of light in vacuum, and n is the index of refraction. Snell's law, the law of refraction, is stated in equation form as n1 sin θ1 = n2 sinθ2.