A lighter body collides head-on and elastically with heavier body at rest then after collision

A lighter body collides head-on and elastically with heavier body at r

1.	A lighter body collides head-on and elastically with heavier body at rest then after collision
Answer» Lighter body comes to rest, then heavier body BEGINS to move with INITIAL VELOCITY of lighter body The velocity of lighter sphere is reversed and the final velocity of heavier sphere approximately remains zero Both lighter and heavier BODIES EXCHANGE their velocities Both lighter and heavier bodies come to rest Answer :B