Question:medium

Keeping the number of gas molecules per unit volume as constant, if the radius of the gas molecule is doubled, then the mean free path of the gas molecules

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Remember: \[ \lambda=\frac{1}{\sqrt{2}\pi d^2 n} \] If molecular diameter doubles, mean free path becomes one-fourth.
Updated On: Jun 17, 2026
  • is doubled
  • is halved
  • becomes one-fourth
  • is quadrupled
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The Correct Option is C

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