Assertion : In the elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision.
Reason : In the elastic collision the linear momentum of the system is conserved.
(1) If both assertion and reason and the reason is the correct explanation of the Assertion.
(2) If both assertion and reason are true but reason is not the correct explanation of the assertion.
(3) If the assertion is true but reason is false.
(4) If the assertion and reason both are false.
