An ideal gas in a closed container is slowly heated. As its temperature increases, which of the following statements are true?
(A) the mean free path of the molecules decreases
(B) the mean collision time between the molecules decreases.
(C) the mean free path remains unchanged.
(D) the mean collision time remains unchanged.

Question

Infinity Learn · Accepted Answer

Mean free path  λ$$=12$$$$π$$$$d2NVFor$$ closed container V $$=$$ constant So  λ$$=constantMean$$ collision time  $$=$$λV as  V∝TSo when  T   increases⇒V increases⇒time decreases

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