A) He and \[{{O}_{2}}\]
B) \[{{O}_{2}}\] and He
C) He and Ar
D) \[{{O}_{2}}\] and \[{{N}_{2}}\]
Correct Answer: B
Solution :
In adiabatic process, slope of PV-graph. \[\frac{dP}{dV}=-\gamma \frac{P}{V}\]Þ |Slope| µ g From the given graph (Slope)2 > (Slope)1 Þ \[{{\gamma }_{2}}>{{\gamma }_{1}}\] therefore 1 should correspond to O2 (g = 1.4) and 2 should correspond to He (g = 1.66)
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