Question

DURING AN ADIABATIC PROCESS IF THE PRESSURE OF AN IDEAL GAS IS PROPTIONAL TO THE CUBE OF ITS ABSOLUTE TEMP. THEN RATIO OF SPECIFIC HEATS AT CONSTANT PRESSURE & AT CONST. VOL IS?

ANS 3/2

Joshi sir comment

P  α   T3

so P α  (PV)3

so P2V3 = K

or PV3/2 = K

so on the basis of PVγ  =  K  calculate  γ

 

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