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Question: Answered & Verified by Expert
An ideal gas in a cylinder is separated by a piston in such a way that the entropy of one part is S1 and that of the other part is S2. Given that S1>S2. If the piston is removed then the total entropy of the system will be:
PhysicsThermodynamicsJEE MainJEE Main 2021 (18 Mar Shift 2)
Options:
  • A S1×S2
  • B S1-S2
  • C S1 S2
  • D S1+S2
Solution:
2984 Upvotes Verified Answer
The correct answer is: S1+S2


; S1>S2

After piston is removed

|
; Stotal=S1>S2

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