NEET UG CHEMISTRY MCQ: STATES OF MATTER

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The mean free path

\left( \lambda \right)

of a gas sample is given by:

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Correct option: B

\lambda = \frac{1}{{\sqrt 2 \pi {\sigma ^2}N}}

Option B (

\lambda = \frac{{1}}{{\sqrt 2 \pi {{\sigma ^2}}N}}

) is correct because it represents the correct formula for the mean free path of a gas molecule.

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\begin{array}{cccccccccccccccccccc} {\underline {{\text{Gas}}} }&{\underline {\,{\text{Critical}}\,\,{\text{temperature}}} } \\ {\text{A}}&{{T_{{C_1}}}} \\ {\text{B}}&{{T_{{C_2}}}} \\ {\text{C}}&{{T_{{C_3}}}} \\ {\text{D}}&{{T_{{C_4}}}} \end{array}

{T_{{C_1}}} > {T_{{C_2}}} > {T_{{C_3}}} > {T_{{C_4}}}

{r^x}

r

x