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06/11/2021 9:20 pm
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Sound travels in air:
(a) if particles of medium travel from one place to another
(b) if there is no moisture in the atmosphere
(c) if disturbance moves
(d) if both, particles as well as disturbance move from one place to another
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06/11/2021 9:21 pm
Correct answer is: (c) if disturbance moves