Q. 33.8( 4 Votes )

Consider P-V diagram for an ideal gas shown in Fig 12.2.



Out of the following diagrams (Fig. 12.3), which represents the T-P diagram?



A. (iv)

B. (ii)

C. (iii)

D. (i)

Answer :

It is given PV= constant

which states that the process is isothermal process. From the graph, we can see that in process 1 & 2 temperature


is constant and the gas expands, while pressure decreases


i.e., P2<P1


graph (iii) represents the correct T-P graph.


option (c) is correct.

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