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CBSE Class 9 Answered

Why are sound waves called mechanical waves?
Asked by | 19 Jan, 2010, 04:19: PM
answered-by-expert Expert Answer

Because they need a material material medium, like solid, liquid, gas for their propogation, while electromagnetic waves can propogate through vacuum, they don't need any material medium.

They are called non-mechanical waves.

We can't hear a sound in space because of the vacuum.

Regards,

Team,

TopperLearning.

Answered by | 19 Jan, 2010, 04:44: PM
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