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  1. A bomb explodes on the moon. You will hear its sound on earth after ________

    2. A.

     20 minutes
    B.

     2 hours 20 minutes
    C.

     3.7 hours
    D.

     You cannot hear the sound of explosion

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    Answer : Option D

    Explanation :

    As sound is produced due to vibrations in the medium particle, that is, it needs some medium for propagation and moon does not have any atmosphere. So ultimately, no medium for propagation of waves or vibrations of a medium particle.

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