what is refraction of light
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the change in direction of path of light when it passes to one transparent to another medium
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The bending of the ray of light as it passes from one medium to another is called refraction of light.
when the light travels from optically rarer medium(example air)to an optically denser medium(example water,it bends towards the normal.when light travels from optically denser medium (example water)to an optically rarer medium,(example air),it bends away from the normal.
when the light travels from optically rarer medium(example air)to an optically denser medium(example water,it bends towards the normal.when light travels from optically denser medium (example water)to an optically rarer medium,(example air),it bends away from the normal.
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