what is refraction explain in detail.
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Refraction is defined as the incident ray passes through the water reflected ray will bent though 45°
Eg:- diamond has high refractive index
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Refraction, in physics, the change in direction of a wave passing from one medium to another caused by its change in speed. For example, waves travel faster in deep water than in shallow. ... The speed of sound waves is greater in warm air than in cold. Refraction of light is the most commonly observed phenomenon.
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