Question

Match the column - I with column - II, for an ideal gas going through following processes.

• A. $A\to r,B\to q,C\to p$
• B. $A\to q,B\to q,C\to p$
• C. $A\to p,B\to q,C\to r$
• D. $A\to r,B\to p,C\to q$

Answer 1

The correct option is C $A\to p,B\to q,C\to r$

For graph (A)


$\tan \theta$ = constant
$\Rightarrow$ Slope (m) = constant
Here, $m=\frac{T}{P}$
$\Rightarrow \frac{T}{P}$ = constant
or $\frac{P}{T}$ = constant
It represents constant volume process, hence it is isometric process.
For graph (B)
$S=$ Constant
$\Rightarrow$ $\Delta S=\frac{\Delta Q}{T}$
For $S=$ constant, $\Delta S=0$
$\Rightarrow \Delta Q=0$
Hence it reprents adiabatic process
For graph (C),
$T=$ Constant for all values of pressure
Hence, it represents isothermal process.