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1) Write the laws of refraction. Explain the same with the help of ray diagram, when a ray of light passesthrough a rectangular glass slab.

Answer»

Laws of refractionstate that: The incident ray, reflected ray and the normal, to the interface of any two given mediums; all lie in the same plane. The ratio of the sine of the angle of incidence and sine of the angle ofrefractionis constant.



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