10 JEE Main 2012 Thermodynamics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 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.
This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best…
A given ideal gas with γ=(Cp)/(Cv)=1.5 at a temperature T. If the gas is compressed adiabatically to one-fourth of its…
Helium gas goes through a cycle ABCDA (consisting of two isochoric and two isobaric lines) as shown in figure. Efficien…
The door of a working refrigerator is left open in a well insulated room. The temperature of air in the room will
n moles of an ideal gas undergo a process A → B as shown in the figure. Maximum temperature of the gas during the proce…
A perfect gas at 27ⁱrc C is heated at constant pressure so as to double its volume. The final temperature of the gas wi…
The pressure of an ideal gas varies with volume as P=α V, where α is a constant. One mole of the gas is allowed to unde…
A Carnot engine, whose efficiency is 40 \%, takes in heat from a source maintained at a temperature of 500 ~K It is des…
This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best…
An ideal monatomic gas with pressure P, volume V and temperature T is expanded isothermally to a volume 2 V and a final…