Question

Four curves A, B, C and D are drawn in the Fig. for a given amount of gas. The curves which may represent adiabatic and isothermal changes are

• A. C and D respectively
• B. D and C respectively
• C. A and B respectively
• D. B and A respectively

Answer 1

The correct option is C A and B respectively

We have given the graphs $\to$

As, $\frac{SlopeofAdiabatic}{SlopeofIsothermal}={\rm Y}$

$\Rightarrow$ Where ${\rm Y}=\frac{C_P}{C_V}$

So, $A\to$ Adiabatic process.

$B\to$ Isothermal process.

Hence, $A$ and $B$ respectively.