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At a given temperature \( T \),
\( \mathrm{P} \)
\( v_{1}=\sqrt{\frac{x_{1} R T}{M}}=r m s \) speed of gas molecules,
W
\( v_{2}=\sqrt{\frac{x_{2} R T}{M}}= \) average speed of gas molecules
\( v_{3}=\sqrt{\frac{x_{3} R T}{M}}= \) most probable speed of gas
molecules
\begin{tabular}{|l|l|l|l|}
\hline \multicolumn{2}{|c|}{ Column I } & \multicolumn{2}{c|}{ Column II } \\
\hline (A) & \( x_{1} \) & (P) & 1.5 \\
\hline (B) & \( x_{2} \) & (Q) & 2.0 \\
\hline (C) & \( x_{3} \) & (R) & 3.0 \\
\hline & & (S) & None of these \\
\hline
\end{tabular}
(1) (A-R) (B-P) (C-S)
(2) \( \quad(\mathrm{A}-\mathrm{Q}) \quad(\mathrm{B}-\mathrm{R}) \quad(\mathrm{C}-\mathrm{Q}) \)
(3) \( (\mathrm{A}-\mathrm{R}) \quad(\mathrm{B}-\mathrm{S}) \quad(\mathrm{C}-\mathrm{Q}) \)
(4) \( \quad(\mathrm{A}-\mathrm{P}) \quad(\mathrm{B}-\mathrm{S}) \quad(\mathrm{C}-\mathrm{S}) \)


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