JEE Advanced Thermodynamics — previous year questions
26 questions from 2026, 2025, 2024, 2023, 2022, 2020, 2019, 2018, 2015, 2014, 2013, 2012, 2010, 2009, 2007.
- A quasi-static cycle of a monoatomic ideal gas contains an isothermal process (ab), followed by an isochoric…
- Ten moles of an ideal monoatomic gas, initially in state a at atmospheric pressure and temperature Tₐ=27^∘C,…
- As shown in the figure, five Carnot engines, each with efficiency η and same number of cycles per unit time,…
- An ideal monatomic gas of n moles is taken through a cycle WXYZW consisting of consecutive adiabatic and…
- The efficiency of a Carnot engine operating with a hot reservoir kept at a temperature of 1000 K is 0.4. It…
- One mole of a monatomic ideal gas undergoes the cyclic process J → K → L → M → J, as shown in the P-T…
- One mole of an ideal gas expands adiabatically from an initial state (T_A, V₀) to final state (Tₚ, 5V₀).…
- One mole of an ideal gas undergoes two different cyclic processes I and II, as shown in the P-V diagrams…
- An incompressible liquid is kept in a container having a weightless piston with a hole. A capillary tube of…
- An ideal gas of density ρ = 0.2 kg m⁻³ enters a chimney of height h at the rate of α = 0.8 kg s⁻¹ from its…
- A bubble has surface tension S. The ideal gas inside the bubble has ratio of specific heats γ = 5/3. The…
- In the given P-V diagram, a monatomic gas (γ = 5/3) is first compressed adiabatically from state A to state…
- List I describes thermodynamic processes in four different systems. List II gives the magnitudes (either…
- Consider one mole of helium gas enclosed in a container at initial pressure P₁ and volume V₁. It expands…
- A spherical bubble inside water has radius R. Take the pressure inside the bubble and the water pressure to…
- A mixture of ideal gas containing 5 moles of monatomic gas and 1 mole of rigid diatomic gas is initially at…
- One mole of a monatomic ideal gas goes through a thermodynamic cycle, as shown in the volume versus…
- One mole of a monatomic ideal gas undergoes four thermodynamic processes as shown schematically in the…
- An ideal monoatomic gas is confined in a horizontal cylinder by a spring loaded piston (as shown in the…
- A thermodynamic system is taken from an initial state i with internal energy U_i = 100 J to the final state f…
- One mole of a monatomic ideal gas is taken along two cyclic processes E → F → G → E and E → F → H → E as…
- A solid body of constant heat capacity 1 J/^∘C is being heated by keeping it in contact with reservoirs in…
- A diatomic ideal gas is compressed adiabatically to 1/32 of its initial volume. If the initial temperature of…
- One mole of an ideal gas in initial state A undergoes a cyclic process ABCA, as shown in the figure. Its…
- The figure shows the P-V plot of an ideal gas taken through a cycle ABCDA. The part ABC is a semi-circle and…
- The piston is taken completely out of the cylinder. The hole at the top is sealed. A water tank is brought…