Question

state snellas law of refration of light and also express it mathematically​

Answer 1

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• SNELL'S LAW === The ratio of sine of angle of incidence ( sin i ) to the sine of angle of refraction ( sin r ) is constant for the light of a given colour ( wavelength ) and for the given pair of media . ... So, the refractive index of Z with respect to X is 9/8 .

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