A pendulum bob of mass 'm' is released from horizontal position. It collides easltically at the lowest point with another pendulum of same length but with a bob of mass '2m' initially at rest. The ratio of the heights to which the bobs of the two pendulums rise after collisions is

A pendulum bob of mass 'm' is released from horizontal position. It co

1.	A pendulum bob of mass 'm' is released from horizontal position. It collides easltically at the lowest point with another pendulum of same length but with a bob of mass '2m' initially at rest. The ratio of the heights to which the bobs of the two pendulums rise after collisions is
Answer» `1:1` `1:2` `1:9` `1:4` ANSWER :D