Question

definition of refraction​

Answer 1

Answer:

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Explanation:

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.

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Answer 2

Answer:

Refraction is the bending of a wave when it enters a medium where its speed is different. The refraction of light when it passes from a fast medium to a slow medium bends the light ray toward the normal to the boundary between the two media.