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प्रश्न
State the laws of refraction of light. Explain the term 'absolute refractive index of a medium' and write an expression to relate it with the speed of light in vacuum.
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उत्तर
The laws of refraction of light are:
The incident ray, the refracted ray, and the normal to the interface of two media at the point of incidence – all lie in the same plane.
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