NEET Physics Thermodynamics Questions Solved


P-V diagram of a diatomic gas is a straight line passing through origin. The molar heat capacity of the gas in the process will be -

(1) 4 R

(2) 2.5 R

(3) 3 R

(4) 4R3

(3) P-V diagram of the gas is a straight line passing through origin. Hence PV or PV1= constant

Molar heat capacity in the process PVx=constant is 

C=Rγ1+R1x; Here γ=1.4 (For diatomic gas)

C=R1.41+R1+1C=3R

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