\({T_1}\,\, = \,\,{T_2}\,{\left( {\frac{1}{8}} \right)^{2/3}} \Rightarrow 4{T_1}\,\, = \,\,{T_2}\,;\,\)
કાર્ય \( = \,\, - \frac{{nR[{T_2} - {T_1}]}}{{\gamma - 1}}\,\, = \,\, - \frac{{\frac{1}{4}R[3{T_1}]}}{{\frac{2}{3}}}\,\, = \,\, - \frac{9}{8}\,R{T_1}\)