Thermodynamics

JEE Advanced · Physics · 40 past questions

29 of 40 · show all

1. Q1 2026 Paper 2

   Ten moles of an ideal monoatomic gas, initially in state $a$ at atmospheric pressure and temperature… (with a figure)

   Try it →
2. Q2 2025 Paper 2

   The efficiency of a Carnot engine operating with a hot reservoir kept at a temperature of 1000 K is 0.4. It…

   Try it →
3. Q4 2023 Paper 1

   A closed container contains a homogeneous mixture of two moles of an ideal monatomic gas ($\gamma = 5/3$) and…

   Try it →
4. Q5 2023 Paper 2

   One mole of an ideal gas undergoes two different cyclic processes I and II, as shown in the $P$-$V$ diagrams… (with a figure)

   Try it →
5. Q7 2022 Paper 1

   List I describes thermodynamic processes in four different systems. List II gives the magnitudes (either…

   Try it →
6. Q8 2021 Paper 1

   An ideal gas undergoes a four step cycle as shown in the $P-V$ diagram below. During this cycle, heat is… (with a figure)

   Try it →
7. Q9 2021 Paper 2

   A thermally insulating cylinder has a thermally insulating and frictionless movable partition in the middle… (with a figure)

   Try it →
8. Q10 2021 Paper 2

   A thermally insulating cylinder has a thermally insulating and frictionless movable partition in the middle… (with a figure)

   Try it →
9. Q11 2020 Paper 1

   Consider one mole of helium gas enclosed in a container at initial pressure $P_1$ and volume $V_1$. It…

   Try it →
10. Q13 2019 Paper 1

    A current carrying wire heats a metal rod. The wire provides a constant power ($P$) to the rod. The metal rod…

    Try it →
11. Q14 2019 Paper 1

    One mole of a monatomic ideal gas goes through a thermodynamic cycle, as shown in the volume versus… (with a figure)

    Try it →
12. Q15 2019 Paper 2

    A mixture of ideal gas containing 5 moles of monatomic gas and 1 mole of rigid diatomic gas is initially at…

    Try it →
13. Q18 2018 Paper 1

    One mole of a monatomic ideal gas undergoes a cyclic process as shown in the figure (where $V$ is the volume… (with a figure)

    Try it →
14. Q20 2018 Paper 2

    One mole of a monatomic ideal gas undergoes four thermodynamic processes as shown schematically in the… (with a figure)

    Try it →
15. Q21 2017 Paper 1

    Answer Q.16, Q.17 and Q.18 by appropriately matching the information given in the three columns of the… (with a figure)

    Try it →
16. Q22 2017 Paper 1

    Answer Q.16, Q.17 and Q.18 by appropriately matching the information given in the three columns of the… (with a figure)

    Try it →
17. Q23 2017 Paper 1

    Answer Q.16, Q.17 and Q.18 by appropriately matching the information given in the three columns of the… (with a figure)

    Try it →
18. Q24 2016 Paper 2

    A gas is enclosed in a cylinder with a movable frictionless piston. Its initial thermodynamic state at…

    Try it →
19. Q25 2015 Paper 2

    An ideal monoatomic gas is confined in a horizontal cylinder by a spring loaded piston (as shown in the… (with a figure)

    Try it →
20. Q26 2014 Paper 1

    A thermodynamic system is taken from an initial state $i$ with internal energy $U_i = 100\,J$ to the final… (with a figure)

    Try it →
21. Q27 2014 Paper 2

    In the figure a container is shown to have a movable (without friction) piston on top. The container and the… (with a figure)

    Try it →
22. Q28 2014 Paper 2

    In the figure a container is shown to have a movable (without friction) piston on top. The container and the… (with a figure)

    Try it →
23. Q31 2011 Paper 1

    5.6 liter of helium gas at STP is adiabatically compressed to 0.7 liter. Taking the initial temperature to be…

    Try it →
24. Q32 2011 Paper 2

    One mole of a monatomic ideal gas is taken through a cycle ABCDA as shown in the P-V diagram. Column II gives… (with a figure)

    Try it →
25. Q33 2010 Paper 1

    One mole of an ideal gas in initial state A undergoes a cyclic process ABCA, as shown in the figure. Its… (with a figure)

    Try it →
26. Q36 2008 Paper 1

    Paragraph for Question Nos. 38 to 40… (with a figure)

    Try it →
27. Q37 2008 Paper 1

    Paragraph for Question Nos. 38 to 40… (with a figure)

    Try it →
28. Q38 2008 Paper 2

    Column I contains a list of processes involving expansion of an ideal gas. Match this with Column II… (with a figure)

    Try it →
29. Q39 2007 Paper 1

    The piston is now pulled out slowly and held at a distance $2L$ from the top. The pressure in the cylinder…

    Try it →