11.An ideal monatomic gas undergoes a quasistatic expansion to one-third of its initial pressure. Find the ratio ofthe final volume to the initial volume if the process is adiabatic. (0 = Cp / Cv 5/3 for ideal monatomic gas,log3 0.5)
(A)
(B)100.3
(C)100.5
(D)100.6
(E)100.7