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

  • question_answer
    The ratio of the refractive index of red light to blue light in air is                                 [CPMT 1978]

    A)            Less than unity

    B)            Equal to unity

    C)            Greater than unity

    D)            Less as well as greater than unity depending upon the experimental arrangement

    Correct Answer: A

    Solution :

               \[{{\mu }_{blue}}>{{\mu }_{red}}\]


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