Question

Sound does not travel through vacuum. Why ?
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Answer 1

Answer:

• Sound waves are mechanical waves. Unlike electromagnetic waves, they require a medium to propagate.
• Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work on it.

Answer 2

Answer:

Vacuum is defined as the empty space in which there are no matter particles present. As sound is a mechanical wave, in order to propagate material medium is required. Sound cannot travel through vacuum as there is no particles present for vibrations to take place.

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