The Mean Free Path $\ell$ for a gas molecule depends upon diameter, $d$ of the molecule as
  • A$\ell \propto \frac{1}{d}$
  • B$\ell \propto \frac{1}{d^{2}}$
  • C$\ell \propto d$
  • D$\ell \propto d^{2}$
NEET 2020, Easy
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