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Which of the following statements is true about the movement of sound waves?

Athey can only travel through a vacuum
Bthey can travel through air only
Cthey can only travel through a medium
Dthey travel fastest in gaseous mediums

Verified Answer :

Rainfuu

They can only travel through a medium

Answer: The correct option is C.

Explanation:

Longitudinal wave is a wave in which the particles vibrates parallel to the direction of the energy transportation of the wave .

For example, sound wave.

Sound wave consists of rarefaction and compression. In rarefaction, the density of the particles is more in comparison to compression.

Sound wave needs a medium for its propagation. It can travel in solid, liquid and gas. It cannot travel in vacuum.

Therefore, the true statement about the movement of sound waves is only (C) option.

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