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Question: Answered & Verified by Expert
At constant volume the specific heat of a gas is $\frac{3 R}{2}$, then the value of ' $\gamma$ ' will be
PhysicsKinetic Theory of GasesJEE Main
Options:
  • A $\frac{3}{2}$
  • B $\frac{5}{2}$
  • C $\frac{5}{3}$
  • D None of the above
Solution:
1456 Upvotes Verified Answer
The correct answer is: $\frac{5}{3}$
$C_V=\frac{R}{(\gamma-1)} \Rightarrow$ $\gamma=1+\frac{R}{C_V}=1+\frac{R}{\frac{3}{2} R}=\frac{5}{3}$

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