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Definition for compression and rarefraction
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Definition for compression and rarefraction

User INNVTV
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Compression is the state of being compressed, or pressed together (forcing into less space)
Rarefaction is the act of becoming less dense.
The two are opposites if that helps.
User Chase Walden
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compression and rarefaction are two phenomenon occurs in longitudunal wave!

when there is denser particle gathering in that wave , there we called it compression and the rarer part of particles is rarefaction !
User Nethero
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