Question

A monoatomic gas at pressure P and volume V is suddenly compressed to one eighth of its original volume. The final pressure at constant entropy will be :

• A. P
• B. 8P
• C. 32P
• D. 64P

Answer 1

Answer: (C)

32P

Answer 2

We know that,
$PV^γ$ = Constant
$PV^γ=(P')(\frac v8)^γ$
Where,
$γ=\frac 53$
$P'=32P$

So, the correct option is (C): $32P$