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Thermal Physics

Blazing goIITian

Joined:	4 Dec 2007
Post:	356

23 Jan 2008 12:47:49 IST

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482

please answer this!!!!

None

That is gamma in (P1*V1)^GAMMA=(P2*V2)^GAMMA

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svj 29

Blazing goIITian

Joined: 27 Dec 2007

Posts: 822

23 Jan 2008 12:56:51 IST

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its the Cp/Cv ratio....
Cp=molar heat at constant pressure and
Cv=molar heat at constant volume...

Cp-Cv=2R
Cp is always greater than Cv....
from ratio of Cp/Cv we get the idea of atomicity of gas
for monoatomic Cp=5 and Cv=3
hence Poisson's ratio or Cp/Cv ratio =5/3

Poisson's ratio 4 diatomic gas=7/5
Poisson's ratio 4 polyatomic gas=8/6

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