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2014-12-22T11:02:30+05:30
Laws Of Refraction
1.The incident ray,the refracted ray and the normal to the interface of two media,all lis in the same place.
2.The ratio of sine of angle of incidence to the sine of angle of refraction is constant for the light of a given colour and for a given pair of media.This law is also known as Snell's Law.
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