Statement I: In a two-body collision, the momenta of the particles are equal and opposite to one another, before as well as after the collision when measured in the centre of mass frame.
Statement. II: The momentum of the system is zero from the centre of mass frame.
A. Statement -1 is True, Statement -2 si True , Statement -2 is a correct explanation for Statement -1.
B. Statement -1 is True, Statement -2 si True , Statement -2 is not correct explanation for Statement -1.
C. Satement-1 is True, Statement-2 is False.
D. Satement-1 is False, Statement-2 is True.
