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  1. The speed of light in air is

    2. A.

     3 × 108 m/s
    B.

     3 × 10–8 m/s
    C.

     8 × 103 m/s
    D.

     Infinity

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    Answer : Option A

    Explanation :

    The speed of light in air is 3 × 108 m/s.

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