Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In an adiabatic expansion of air, the volume increases by 5%. The corresponding percentage change in pressure will be 1.0575=1.07
PhysicsThermodynamicsNEET
Options:
  • A 7%
  • B 6%
  • C 4%
  • D 3%
Solution:
1738 Upvotes Verified Answer
The correct answer is: 7%
P1V1γ=P2V2γγ=75, V2=1.05 V1

P1V1γ=P21.05 V1γ

P2=P11.05γ

So % change P2-P1P1×100

=P11.05γP1×100=1-1.05γ1.05γ×100=7%

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.