A) \[1 :\sqrt{8}\]
B) \[\sqrt{8}:1\]
C) 1 : 8
D) 1 : 8
Correct Answer: A
Solution :
Using the relation \[\frac{{{c}_{1}}}{{{c}_{2}}}=\frac{\text{rms}\,\text{velocity}\,\text{of}\,{{\text{O}}_{\text{2}}}}{\text{rms}\,\text{velocity}\,\text{of}\,{{\text{H}}_{\text{2}}}}\] \[=\sqrt{\frac{{{M}_{2}}}{{{M}_{1}}}\times \frac{{{T}_{1}}}{{{T}_{2}}}}=\sqrt{\frac{2\times 600}{32\times 300}}=1:\sqrt{8}\]
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