A mechanical wave needs a medium for propagation

True

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False

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Solution

The correct option is A True
A mechanical wave is a wave that is an oscillation of matter and therefore transfers energy through a medium. A mechanical wave needs a medium for propagation. The sound is a mechanical wave, which needs a medium for propagation.

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Mechanical waves need a medium for propagation.

Sound wave is a mechanical wave, which means, unlike light, it needs a medium for propagation.

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