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CBSE Class 11-science Answered

State the factors on which mean free path (λ) of a gas molecule depends.

Asked by Topperlearning User | 11 May, 2015, 01:59: PM
Expert Answer

The factors on which the mean free path (λ) of a gas molecule depends are:

(i) Diameter of the molecule: begin mathsize 14px style straight lambda proportional to 1 over straight d squared end style

(ii) Number of gas molecules per unit volume: begin mathsize 14px style straight lambda proportional to 1 over straight n end style

(iii) It depends indirectly on factors like temperature, pressure and Boltzmann constant.

Answered by | 11 May, 2015, 03:59: PM
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