A) \[-{{122}^{o}}C\]
B) \[-{{90}^{o}}C\]
C) \[{{60}^{o}}C\]
D) \[{{151}^{o}}C\]
Correct Answer: D
Solution :
Kinetic energy of a gas is directly proportional to its temperature \[\therefore \] \[\frac{{{K}_{1}}}{{{K}_{2}}}=\frac{{{T}_{1}}}{{{T}_{2}}}\] \[\frac{K}{K/3}=\frac{273+180}{{{T}_{2}}}\Rightarrow 3=\frac{453}{{{T}_{2}}}\] \[{{T}_{2}}={{151}^{o}}C\]
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