Why sound wave requires medium for its propagation? Give reasons
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Sound needs a material medium like solid ,liquid or gas to travel and be heard because the molecules of solid, liquid and gases carry sound waves from one place to another. Sound cannot travel through vacuum or empty space because vacuum has no molecules which can vibrate and carry sound waves.
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Sound needs a medium to travel because sound is transverse wave which has small particles moveing form then mean position so the particles need a medium to travel.
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