Q. Statement I In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision. Statement II Inan elastic collision, the linear momentum of the system is conserved.
A) Statement I is true ,statement II is true; statement II is a correct explanation for statement I
B) Statement I is true, Statement II is true; statement II is not correct explanation for statement I
C) Statement I is true, Statement II is false
D) Statement I is false, Statement II is True
Explanation
(b) In case of elastic collision ,coefficient of restitution e=1
or
Relative speed of approach =relative speed of separation.
$\therefore\ $Option (b)is correct.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.