A) 1.58
B) 1.82
C) 1.28
D) 1.44
Correct Answer: C
Solution :
[c] \[{{C}_{p}}=\left( \frac{f}{2}+1 \right)R=\frac{9}{2}R\] \[\Rightarrow f=7\] \[\frac{{{C}_{p}}}{{{C}_{v}}}=1+\frac{2}{f}=1+\frac{2}{7}=1.28\]
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