For an ideal gas, Cp - Cv = R (universal gas constant). This is Meyer's relation.
Back to JEE Main 2023 Thermodynamics
JEE Main 2023 — Physics Thermodynamics
easy
mcq
2023
Official previous-year question
Verified 30 May 2026.
Question
For an ideal gas, Cp - Cv is equal to:
Options
- AR/2
- BR
- C2R
- D3R/2
Solution
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
JEE Main Thermodynamics in other years
More JEE Main Thermodynamics Questions
An ideal gas undergoes an isothermal expansion. Which of the following is true?
2026
medium
mcq
The efficiency of a Carnot engine operating between temperatures T₁ (source) and T₂ (sink) is:
2024
hard
mcq
An ideal gas undergoes isothermal expansion at temperature T. If the volume doubles, by what factor does the pressure change?
2024
easy
mcq
The molar specific heat of a gas in a process PV² = constant is:
2023
medium
mcq
For an ideal gas undergoing isothermal process
2023
easy
mcq