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

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

Four curves A, B, Cand Dare drawn in the figure for a given amount of gas. The curves which represent adiabatic and isothermal changes are

Four curves A,B,C and D are drawn in figure for a given amount of gas. The curve which represents adiabatic and isothermal changes, respectively, is

Given curve represents

In the given graph, adiabatic and isothermal curves are shown. Then,

When heat is given to a gas in an isothermal change, the result will be

Which curve in figure represents the curve of ideal gas ?