Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
A gas at initial temperature T undergoes sudden expansion from volume $\mathrm{V}$ to $2 \mathrm{~V}$. Then -
PhysicsThermodynamicsKVPYKVPY 2016 (SB/SX)
Options:
  • A The process is adiabatic
  • B The process is isothermal
  • C The work done in this process is $\mathrm{nRT} \ell \mathrm{n}_{\mathrm{e}}(2)$ where $\mathrm{n}$ is the number of moles of the gas.
  • D The entropy in the process does not change
Solution:
1214 Upvotes Verified Answer
The correct answer is: The process is adiabatic
In sudden expansion gas do not get enough time for exchange of heat. $\therefore$ Process is adiabatic.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play