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  1. The speed of light will be minimum while passing through

    2. A.

     Water
    B.

     Vaccum
    C.

     Air
    D.

     Glass

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    Workspace

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    Answer : Option D

    Explanation :

    Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water and 200,000 kilometers per second in glass.

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