Statement-1 : Mean free path of molecules of a gas decreases with increases in number density of the molecules.
Statement-2 : More the molecules per unit volume, more are the chances of molecular collision. Therefore, mean free path decreases.

Options

A. Statement-1 is ture, statement-2 is true and statement-2 is correct explanation of statement-1
B. Statement-1 is ture, statement-2 is true but statement-2 is not correct explanation of statement-1
C. Statement-1 is true, but statement-2 is false.
D. Statement-1 is false, but statement-2 is true.

Answer

A

Explanation

Both the statement are ture adn statement-2 is correct expationation of statement-1.