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 \[\Rightarrow V\propto T\]