Assertion: Gas with lower mass will effuse or diffuse faster.
Reason: Kinetic energy of any gas depends upon its mass.
(A) If both assertion and reason are true and reason is the correct explanation of assertion
(B) If both assertion and reason are true but reason is not the correct explanation of assertion
(C) If assertion is true but reason is false.
(D) If both assertion and reason are false
(E) If assertion is false but reason is true.
