Question

define refraction?define refraction?
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Answer 1

Answer:

Refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

Answer 2

Answer:

Refraction:

Refraction is the bending of light as it passes from one transparent substance into another.