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प्रश्न
Sound travels in air :
विकल्प
if particles of medium travel from one place to another
if there is no moisture in the atmosphere
If disturbance moves
if both, particles as well s disturbance move from one place to another
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उत्तर
Sound is a longitudinal wave in which the disturbance created by the vibrating body is carried out by the medium without the actual movement of the medium particles.
(c) If disturbance moves.
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संबंधित प्रश्न
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