The sound propagates in a gaseous medium by

transverse waves

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longitudinal waves

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both (a) and (b)

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neither (a) nor (b)

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Solution

The correct option is B longitudinal waves
The sound propagates in a gaseous medium by longitudinal waves. The particles in transverse waves move perpendicularly to the direction of propagation. So it cannot propagate in a gas or a liquid because there is no mechanism for driving motion perpendicular to the propagation of the wave.

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Similar questions

State why transverse Waves cannot propagate through gaseous medium.

Transverse wave needs a material medium for its propagation.

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