Physics · Thermodynamics
Which combination of the following statements is correct? P. A gas cools upon expansion only when its Joule-Thomson coefficient is positive in the temperature range of expansion. Q. For a system undergoing a process, its entropy remains constant only when the process is reversible. R. The work done by a closed system in an adiabatic process is a point function. S. A liquid expands upon freezing when the slope of its fusion curve on a Pressure-Temperature diagram is negative.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1R and S✓
- 2P and Q
- 3Q, R and S
- 4P, Q and R
Correct answer
R and S
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Thermodynamics MCQs →Want more practice questions on Thermodynamics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Thermodynamics