NEET UG · Physics · Thermodynamics
First Law in Free Expansion
NEET asked First Law in Free Expansion once in 2017–2026, in 2020. It belongs to Laws of Thermodynamics, in Thermodynamics (Physics).
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.
- Identify process type in free expansion
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 Q141Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and…One-line MCQ · Easy
Papers: NEET 2020.
Same topic
Other ideas in Laws of Thermodynamics
Laws of Thermodynamics has 8 ideas NEET has asked; 2 of them came up in more than one question.
- First Law in Isobaric Processes2× · 2025
- Slopes on P-V Diagrams2× · 2022
- Adiabatic Work Calculationonce · 2026
- First Law in Cyclic Processesonce · 2026
- Work and First Law from P-V Graphsonce · 2024
- First Law in Adiabatic Processesonce · 2019
- First Law in Boilingonce · 2018