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  1. Intensity of sound at a point is ____ its distance from the source.

    2. A.

     directly proportional to
    B.

     inversely proportional to
    C.

     directly proportional to square of
    D.

     inversely proportional to square of

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    Answer : Option D

    Explanation :

    Intensity of sound at a point is inversely proportional to square of its distance from the source.

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