Question:
In a dilute gas at pressure $P$ and temperature $T$, the mean time between successive collisions of a molecule varies with $T$ as :
Correct Option: , 3
Solution:
$\mathrm{v}_{\mathrm{avg}} \propto \sqrt{\mathrm{T}}$
$\mathrm{t}_{0}:$ mean time
$\lambda:$ mean free path
$\mathrm{t}_{0}=\frac{\lambda}{\mathrm{V}_{\mathrm{avg}}} \propto \frac{1}{\sqrt{\mathrm{T}}}$
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