23 JEE Main 2022 Thermodynamics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2022 previous-year questions from the Thermodynamics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Thermodynamics chapter hub.
A Carnot engine has efficiency of 50 % . If the temperature of sink is reduced by 40 ° C , its efficiency increase…
For a perfect gas, two pressures P 1 and P 2 are shown in figure. The graph shows
In 1 st case, Carnot engine operates between temperatures 300 K and 100 K . In 2 nd case, as shown in the figure, a com…
A heat engine operates with the cold reservoir at temperature 324   K . The minimum temperature of the hot reservo…
A diatomic gas γ = 1 . 4 does 400   J of work when it is expanded isobarically. The heat given to the gas in…
A thermally insulated vessel contains an ideal gas of molecular mass M and ratio of specific heats 1 . 4 . Vessel is mo…
Statement - I : When μ amount of an ideal gas undergoes adiabatic change from state P 1 , V 1 , T 1 to state P 2 ,…
Starting with the same initial conditions, an ideal gas expands from volume V 1 to V 2 in three different ways. The wor…
A sample of an ideal gas is taken through the cyclic process A B C A as shown in figure. It absorbs, 40   J of hea…
A certain amount of gas of volume V at 27 ° C temperature and pressure 2 × 10 7 N   m - 2 expands isothe…
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