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Why do series of compressions and rarefactions take place?

Asked by Udhbhav Gupta 2nd January 2012, 3:25 PM
Answered by Expert
have you seen spring/slinky?
notice it . produce jerk  at one end..then things will be clear.
this is property of any elastic medium.....if we disturb it at one place it will always try to regain its original shape and in doing so a successive compression and ratrefaction is already produced.
Answered by Expert 3rd January 2012, 10:46 AM
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