sound is a mechanical wave? Justify.
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Answer:The sound waves are called mechanical waves because they need a material medium( like solid, liquid or gas ) for their propagation. The sound wave involve the vibrations of the particles of the medium through which they travel .
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The sound waves are called mechanical waves because they need a material medium( like solid, liquid or gas ) for their propagation. The sound wave involve the vibrations of the particles of the medium through which they travel ....
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