JEE Main & Advanced Physics Ray Optics Question Bank Refraction of Light at Plane Surfaces

  • question_answer
    The refractive indices of water and glass with respect to air are 1.2 and 1.5 respectively. The refractive index of glass with respect to water is                                                     [Pb. PET 2002]

    A)            0.6 

    B)            0.8

    C)            1.25                                          

    D)            1.75

    Correct Answer: C

    Solution :

               \[_{w}{{\mu }_{g}}=\frac{_{a}{{\mu }_{g}}}{_{a}{{\mu }_{w}}}\]\[=\frac{1.5}{1.2}=\frac{5}{4}=1.25\].


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