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Questions  

The plot that depicts the behavior of the mean free time τ  ( 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)

a
b
c
d

detailed solution

Correct option is A

τ=λ=12πd2n8RTπM if v is kept constant  then τ∝1T

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