JEE Advanced 2007 Physics question

STATEMENT-1 : The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and its volume. because STATEMENT-2 : The molecules of a gas collide with each other and the velocities of the molecules change due to the collision.

(A)Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1
(B)Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1Correct
(C)Statement-1 is True, Statement-2 is False
(D)Statement-1 is False, Statement-2 is True

Answer: (B)

Solution

Statement-1: total translational kinetic energy : true. Statement-2: molecules do collide and change their velocities: true. But the relation

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Question ID VK-037482