A body of mass M1 collides elastically with another mass M2 at rest. There is maximum transfer of energy when

Q: A body of mass M1 collides elastically with another mass M2 at rest. There is maximum transfer of energy when

(a) M1 > M2

(b) M1 < M2

(c) M1 = M2

(d) same for all values of M1 and M2

Ans: (c)