A system consists of two types of gas molecules $A$ and $B$ having same number density $2 \times$ $10^{25}\, / {m}^{3}$. The diameter of ${A}$ and ${B}$ are $10\, \stackrel{\circ}{{A}}$ and $5\, \stackrel{\circ}{{A}}$ respectively. They suffer collision at room temperature. The ratio of average distance covererd by the molecule $A$ to that of $B$ between two successive collision is $.....\,\times 10^{-2}$
JEE MAIN 2021, Medium
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