When do we say sound travels in a medium?

When the medium travels.

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When the particles of the medium travel.

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When the source travels.

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When the disturbance travels.

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Solution

The correct option is D When the disturbance travels.
Sound waves propagate when energy or disturbances travel or propagates. This energy is transferred from one particle to another. Hence the particle oscillates on its position while the energy is transferred from one particle to another.
so the answer is D.

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Similar questions

The disturbance created by a source producing sound in a medium travels through:

The disturbance in a medium travels by displacing the particles of the medium.

Complete the following sentences :

(a) Sound can not travel through ___, but it requires a ___ .

(b) When sound travels in a medium, the particles of medium ___ but the disturbance ___ .

(d) A transverse wave is composed of crest and ___ .

(e) Wave velocity = ___ x wavelength.

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