Easy MCQ +4 / -1 PYQ · JEE Mains 2025

Match List - I with List - II.

List - I List - II
(A) Isobaric (I) $\Delta Q=\Delta W$
(B) Isochoric (II) $\Delta Q=\Delta U$
(C) Adiabatic (III) $\Delta Q=$ zero
(D) Isothermal (IV) $\Delta Q=\Delta U+P\Delta V$

$\Delta Q=$ Heat supplied

$\Delta W=$ Work done by the system

$\Delta \mathrm{U}=$ Change in internal energy

$\mathrm{P}=$ Pressure of the system

$\Delta \mathrm{V}=$ Change in volume of the system

Choose the correct answer from the options given below :

  1. A (A)-(IV), (B)-(I), (C)-(III), (D)-(II)
  2. B (A)-(IV), (B)-(II), (C)-(III), (D)-(I) Correct answer
  3. C (A)-(IV), (B)-(III), (C)-(II), (D)-(I)
  4. D (A)-(II), (B)-(IV), (C)-(III), (D)-(I)

Solution

<p>(A) Isobaric $(\mathrm{P}=\mathrm{C})$</p> <p>$\Delta \mathrm{Q}=\Delta \mathrm{U}+\mathrm{P} \Delta \mathrm{~V}$</p> <p>(B) Isochoric $(\mathrm{V}=\mathrm{C})$</p> <p>$\Delta \mathrm{Q}=\Delta \mathrm{U}$</p> <p>(C) Adiabatic $(\Delta \mathrm{Q}=0)$</p> <p>$\Delta \mathrm{Q}=0$</p> <p>(D) Isothermal $(\Delta \mathrm{U}=0)$</p> <p>$\Delta \mathrm{Q}=\Delta \mathrm{W}$</p>

About this question

Subject: Physics · Chapter: Thermodynamics · Topic: Zeroth and First Law

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