Why does sound require a medium to propagate why can't it propagate in vacuum?

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Solution

Sound is a disturbance that propagates through a medium. The disturbance then travels in the medium in form of waves. Hence it needs a medium for its propagation. Sound cannot propagate in a vacuum since there are no particles to vibrate in a vacuum. On the Moon, there is no medium, therefore on the Moon, one can not hear the sound produced by the others.

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Similar questions

Statement 2 : Sound does not propagate in vacuum, as it does not have particles to vibrate.

The correct statement is :

(a) Sound and light both require medium for propagation

(b) Sound can travel in vacuum, but light can not

(d) Sound and light both can travel in vacuum.

Sound requires a material medium for its propagation while light does not require any material medium for its propagation.

Does sound wave requires a medium for its propagation?

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