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Navneet kumar , 10 Years ago
Grade Upto college level
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Navneet kumar

Last Activity: 10 Years ago

sound requires a material medium to travel. As vaccum is defined as the absence of matter, the sound will not be able to travel.

raju

Last Activity: 10 Years ago

it transfer energy from one point to another point is called wave motion . wave motions are mainy two types there are mechanical wave another one is sound wave

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