Question

What is refraction ? ​

Answer 1

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• 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. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

Answer 2

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Refraction is the bending of a light or sound wave, or the way the light bends when entering the eye to form an image on the retina.

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• Bending of the sun's rays as they enter raindrops, forming a rainbow.