Statement I : Mean free path of a gas molecule varies inversely as the density of gas.
Statement II : Mean free path of gas molecule is defined as the average distance travelled by a molecule between two successive collisions.

Options

A. Statement-I is true, Statement-II is true and Statement-II is correct explanation for Statement-I.
B. Statement-I is true, Statement-II is true and Statement-II is not correct explanation of Statement-I.
C. Statement-I is true, Statement-II is false.
D. Statement-I is false, Statement-II is false.

Answer

B

Explanation

Statement 1 is true and statement 2 is true but statement 2 is not correct explanation of statement 1. So correct choice is (b).