Work done in Thermodynamics is an important topic in the Physics section in MHT CET exam. Practising this topic will increase your score overall and make your conceptual grip on MHT CET exam stronger.
This article gives you a full set of MHT CET PYQs for Work done in Thermodynamics with explanations for effective preparation. Practice of MHT CET Physics PYQs including Work done in Thermodynamics questions regularly will improve accuracy, speed, and confidence in the MHT CET 2026 exam.
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MHT CET PYQs for Work done in Thermodynamics with Solutions
1.
A gas undergoes a process \( PV^2 = \text{constant} \). Initially, pressure = 2 atm, volume = 1 L. It expands to 2 L. Find the work done by the gas in joules.- 50.5 J
- 10.1 J
- 202 J
- 303 J
2.
For a system of particles in thermal equilibrium, what is the probability that a particle will have energy greater than \( E_0 \) according to the Boltzmann distribution?- \( e^{-\frac{E_0}{kT}} \)
- \( 1 - e^{-\frac{E_0}{kT}} \)
- \( e^{\frac{E_0}{kT}} \)
- \( 1 + e^{\frac{E_0}{kT}} \)
3.
A gas in a cylinder is compressed from an initial volume of \( 5 \, \text{m}^3 \) to a final volume of \( 2 \, \text{m}^3 \) while maintaining a constant pressure of \( 1 \times 10^5 \, \text{Pa} \). Calculate the work done by the gas during the compression.- \( -3 \times 10^5 \, \text{J} \)
- \( -1 \times 10^5 \, \text{J} \)
- \( 3 \times 10^5 \, \text{J} \)
- \( 1 \times 10^5 \, \text{J} \)
4.
Two moles of an ideal gas are allowed to expand from a volume of $10 \, dm^3$ to $ 2m^3$ at 300 K against a pressure of 101.325 KPa. Calculate the work done.- - 20.16 kJ
- 13.22 kJ
- - 810.6 J
- -18.96 kJ
5.
A gas expands from an initial volume of \( V_1 = 1 \, \text{m}^3 \) to a final volume of \( V_2 = 3 \, \text{m}^3 \) under constant pressure of \( P = 2 \, \text{atm} \). What is the work done by the gas during this expansion?\( 4 \times 10^5 \, \text{J} \)
\( 6 \times 10^5 \, \text{J} \)
- \( 2 \times 10^5 \, \text{J} \)
- \( 1 \times 10^5 \, \text{J} \)
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