What is refraction??? what is the causes of refraction.
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REFRACTION..
Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows.
CAUSE OF REFRACTION..
The cause of the refraction of light is that light travels at different speeds in different media. ... Refraction is caused due to the change in speed of light when it enters from one medium to another. When the light goes from air into water, it bends towards the normal because there is a reduction in its speed..
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