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Solution


Q.

The PT diagram for an ideal gas is shown in the figure, where AC is an adiabatic process, find the corresponding PV diagram.             [2003]
1  
2  
3  
4  

Ans.

(2)

From the P–T graph we find AB to be a isothermal process, AC is adiabatic process given. Also for an expansion process, the slope of adiabatic curve is more (or we can say that the area under the P–V graph for isothermal process is more than adiabatic process for same increase in volume). Hence graph (2) correctly depicts corresponding P–V graph.