A) 3 : 5
B) 7 : 9
C) 5 : 7
D) 5 : 9
Correct Answer: C
Solution :
[c] \[C_{V}^{A}=\frac{5R}{2}\] |
\[C_{V}^{B}=\frac{7R}{2}\] |
\[\frac{C_{V}^{A}}{C_{V}^{B}}=\frac{5}{7}\] |
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