Compression and Rarefaction class 9

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Class 9 Science - Sound. Compression. A compression is a region in a longitudinal wave where the particles are closest together. Rarefaction. A rarefaction is a region in a longitudinal wave where the particles are furthest apart.
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Hi sir can you make explanations of all chapters in 8th science

RajeshKumar-lnif
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How much distance in compression to compression ?

vflqwxu
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Change your language to hindi you will surely be a youtuber

AjitSingh-sjzw