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


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