question_answer

Which of the following is an equivalent cyclic process corresponding to the thermodynamic cyclic given in the figure? where, \[1\to 2\] is adiabatic. (Graphs are schematic and are not to scale)

[JEE MAIN Held on 09-01-2020 Morning]

A)

B)

C)

D)

Correct Answer: D

Solution :

[d] V = Constant \[P\uparrow \Rightarrow T\uparrow \] \[P{{V}^{n}}=C\] \[\Rightarrow T{{V}^{n-1}}=C\] \[V\uparrow \Rightarrow T\downarrow \] P = constant \[\Rightarrow V\propto T\]