A) \[-{{73}^{o}}C\]
B) \[{{27}^{o}}C\]
C) \[{{127}^{o}}C\]
D) \[{{327}^{o}}C\]
Correct Answer: B
Solution :
By using \[v=\sqrt{\frac{\gamma RT}{M}}\Rightarrow v\propto \sqrt{T}\] \[\frac{{{v}_{2}}}{{{v}_{1}}}=\sqrt{\frac{{{T}_{2}}}{{{T}_{1}}}}=\sqrt{\frac{T+600}{T}}=\sqrt{3}\Rightarrow T=300\,K\,={{27}^{o}}C\]
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