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    Refractive Index of the medium is the ratio of _________.
    Question

    Refractive Index of the medium is the ratio of _________.

    A.

    Velocity of light in the medium to the Velocity of light in the vacuum

    B.

    Velocity of light in the vacuum to the velocity of light in the medium

    C.

    Velocity of light in water to the velocity of light in air

    D.

    Velocity of light in the water to the velocity of light in the vacuum

    Correct option is B



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