A) Two times that of a hydrogen molecule
B) Same as that of a hydrogen molecule
C) Four times that of a hydrogen molecule
D) Half that of a hydrogen molecule
Correct Answer: B
Solution :
\[\frac{{{E}_{He}}}{{{E}_{{{H}_{2}}}}}=\sqrt{\frac{{{T}_{He}}}{{{T}_{{{H}_{2}}}}}}\] so energies will be same for \[He\And {{H}_{2}}\]at same temperature.
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