State and verify snell\'s law

1.	State and verify snell\'s law
Answer» \xa0Snell\'s Law: The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant for a given pair of media and for a given wavelength of light.\xa0Conditions for no refraction:1. If the light is incident perpendicularly to the surface of the two media.2. If the refractive index of the both the mediums is same.\xa0

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