Question

Match List-I with List-II.

Choose the correct answer.

• A. A-II, B-III, C-I, D-IV
• B. A-II, B-I, C-IV, D-III
• C. A-II, B-I, C-III, D-IV
• D. A-I, B-II, C-III, D-IV

Answer 1

The Correct Option is C

Concept: Thermodynamic expressions depend on the type of process. Step 1: {Isothermal reversible expansion} Heat absorbed equals work done: \[ q = nRT \ln\left(\frac{V_2}{V_1}\right) \] Thus \[ A \rightarrow II \] Step 2: {Free expansion} Occurs in vacuum: \[ q = 0 \] Thus \[ B \rightarrow I \] Step 3: {Irreversible compression} Work: \[ w = -P_{ext}(V_1 - V_2) \] Thus \[ C \rightarrow III \] Step 4: {Cyclic reversible process} \[ \oint \frac{dq_{rev}}{T} = 0 \] Thus \[ D \rightarrow IV \]