JEE Mains · Physics · STD 11 - 12 . kinetic theory of gases
Two gases-argon (atomic radius \(0.07 \;\mathrm{nm}\),atomic weight \(40\) ) and xenon (atomic radius \(0.1\; \mathrm{nm},\) atomic weight \(140\) ) have the same number density and are at the same temperature. The raito of their respective mean free times is closest to
- A \(1.09\)
- B \(4.67\)
- C \(1.83\)
- D \(2.3\)
Answer & Solution
Correct Answer
(A) \(1.09\)
Step-by-step Solution
Detailed explanation
\(\lambda=\frac{1}{\sqrt{2} \pi \mathrm{n}_{\mathrm{v}} \mathrm{d}^{2}}\)…
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