Question 430: Thermodynamics & KTG

Question

The plot that depicts the behavior of the mean
free time t (time between two successive
collisions) for the molecules of an ideal gas, as
a function of temperature (T), qualitatively, is:
(Graphs are schematic and not drawn to scale)

Accepted Answer

Mean free time =
Mean free path
Average speed
= $${{{1 \over {\sqrt 2 \pi {D^2}n}}} \over {\sqrt {{{8RT} \over {\pi M}}} }}$$
$$ 	herefore $$ t $$ \propto $$ $${1 \over {\sqrt T }}$$

Answer

Answer

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Thermodynamics & KTG

The plot that depicts the behavior of the mean free time t (time between two successive collisions) for the molecules of an ideal gas, as a function of temperature (T), qualitatively, is: (Graphs are schematic and not drawn to scale)

Choose the correct answer: