Match List I with List II Choose the correct answer from the options given below: List I List II A. Isothermal Process I. Work done by the gas decreases internal energy B. Adiabatic Process II. No change in internal energy C. Isochoric Process III. The heat absorbed goes partly to increase internal energy and partly to do work D. Isobaric Process IV. No work is done on or by the gas (a) A-I, B-II, C-IV, D-III (b) A-II, B-I, C-III, D-IV (c) A-II, B-I, C-IV, D-III (d) A-I, B-II, C-III, D-IV

Answer: (c). Isothermal: Δ U = 0: A-II. Adiabatic: Q = 0, so W = -Δ U; work by gas lowers U: B-I. Isochoric: Δ V = 0, no work: C-IV. Isobaric: Q = Δ U + PΔ V, heat goes partly to each: D-III. So the answer is (c).

Match List I with List II Choose the correct answer from the options… | JEE Main 2023 (25 Jan, Shift 2)

Q137JEE Main 2023 · 25 JAN · SHIFT 2Easy

Thermodynamic Processes

Match List I with List II

Choose the correct answer from the options given below:

	List I		List II
A.	Isothermal Process	I.	Work done by the gas decreases internal energy
B.	Adiabatic Process	II.	No change in internal energy
C.	Isochoric Process	III.	The heat absorbed goes partly to increase internal energy and partly to do work
D.	Isobaric Process	IV.	No work is done on or by the gas

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Answer: (c)

Isothermal: $\Delta U = 0$ : A-II.
Adiabatic: $Q = 0$ , so $W = -\Delta U$ ; work by gas lowers $U$ : B-I.
Isochoric: $\Delta V = 0$ , no work: C-IV.
Isobaric: $Q = \Delta U + P\Delta V$ , heat goes partly to each: D-III.
So the answer is (c).

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Thermodynamic Processes question from JEE Main 2023 (25 Jan, Shift 2)

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