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Reply Forum Index -> Modern Physics originally posted here on IIT-JEE / AIEEE community   
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[Post New] 8 Feb 2012 08:14:02 IST
   Subject: Wave velocity
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Chanchal (5)

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Olaaa!! Perrrfect answer. 1  [1 rates]
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If V wave velocity of a longitutudinal wave in a gaseous medium , then show that V = Square root ( 1/3 Vrms),  Vrms rms velocity
    

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[Post New] 28 Apr 2012 11:20:48 IST
   Subject: Wave velocity
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Krishna Gopal Singh (4613)

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Olaaa!! Perrrfect answer. 737  bad job dude!! I dont approve of this answer! 2  [1205 rates]
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Vrms =sqrt(3RT/M) and wave velocity = sqrt(gamma*RT/M) so your expression is wrong. The right expression is v = sqrt(gamma/3)*Vrms
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