A) 300 (4)772
B) 300 (4)277
C) 300 (2)772
D) 300 (4)-277
Correct Answer: D
Solution :
In adiabatic process \[P_{2}^{1-\gamma }T_{2}^{\gamma }=P_{1}^{1-\gamma }T_{1}^{\gamma }\] \[{{T}_{2}}={{T}_{1}}{{\left( \frac{{{p}_{1}}}{{{p}_{2}}} \right)}^{\left( \frac{1-\gamma }{\gamma } \right)}}\] \[=300{{\left( \frac{4}{1} \right)}^{\left( \frac{1-7/5}{7/5} \right)}}=300{{(4)}^{-2/7}}\]
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