Q 11-11-023NEETJEE MainMedium
A gas at pressure $P$ is compressed adiabatically to $\dfrac{1}{32}$ of its volume. If $\gamma = 1.4$, the final pressure is
Answer: (B) $128P$
Concept. Adiabatic: $PV^\gamma = $ constant.
Step 1. Substitute. $P_2 = P(32)^{1.4} = P \times 2^7 = 128P$.
Answer. $128P$ (Option B).
Solution by Sreeraj P, M.Sc Physics