\(P\; \propto \;{T^{\left( {\frac{\gamma }{{\gamma - 1}}} \right)}}\;\) હોય છે
\(\left( { {\rm{P}}{{\rm{T}}^{\left( {\frac{\gamma }{{1 - \gamma }}} \right)}}} \right) = \) અચળ છે
\(\therefore\) અહીં \(\frac{\gamma }{{\gamma {\rm{ - 1}}}} = 3\)
\(\Rightarrow \gamma = \frac{3}{2} \Rightarrow \,\frac{{{C_P}}}{{{C_V}}} = \frac{3}{2}\)