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  1. Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is

    2. A.

     Of variable refractive index
    B.

     Made up of slabs of different refractive indices
    C.

     Homogeneous and transparent
    D.

     Inhomogeneous and transparent

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    Answer : Option C

    Explanation :

    Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is homogeneous and transparent.

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