NEET UG · Physics · Thermodynamics
First Law in Isobaric Processes
NEET asked First Law in Isobaric Processes twice, in 2018 and 2025: 2 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Laws of Thermodynamics, in Thermodynamics (Physics). The longest wait between two papers asking it was 7 years.
Updated 2026-10-08
- Times asked
- 2
- in 2017–2026
- Papers
- 2
- of 10
- First asked
- 2018
- last in 2025
- Chance next paper
- 6%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2018 and 2025.
How NEET framed it
Figure-based is the usual form. Skill tested: multi-step.
- Ratio of work to heat in isobaric process of monatomic gas
- Numerical
Chance asked next paper 6%
Every question
All 2 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2025 Q41Two gases and are filled at the same pressure in separate cylinders with movable pistons of radius and , respectively.…Numerical · Medium
- 2018 Q1The volume (V) of a monatomic gas varies with its temperature (T), as shown in the graph. The ratio of work done by the gas, to the heat…Figure-based · Medium · figure
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.
- 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 Free Expansiononce · 2020
- First Law in Adiabatic Processesonce · 2019
- First Law in Boilingonce · 2018