NEET UG · Chemistry · Thermodynamics
Free Expansion of an Ideal Gas
NEET asked Free Expansion of an Ideal Gas once in 2017–2026, in 2020. It belongs to First Law of Thermodynamics, in Thermodynamics (Chemistry).
Updated 2026-10-08
- Times asked
- 1
- in 2017–2026
- Papers
- 1
- of 10
- First asked
- 2020
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2020.
How NEET framed it
One-line MCQ is the usual form. Skill tested: concept.
- Correct option on thermodynamic process
Chance asked next paper 4%
Every question
The question
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2020 Q104The correct option for free expansion of an ideal gas under adiabatic condition is :One-line MCQ · Medium
Papers: NEET 2020.
Same topic
Other ideas in First Law of Thermodynamics
First Law of Thermodynamics has 8 ideas NEET has asked; 0 of them came up in more than one question.
- Work in Cyclic Processesonce · 2026
- Reversible Isothermal Workonce · 2024
- Thermodynamic Process Typesonce · 2024
- Work as Area Under a p-V Curveonce · 2022
- Heat Capacitiesonce · 2021
- Work Against Constant External Pressureonce · 2019
- First Law: Delta U = q + wonce · 2017