On a planet a body is left freely from a height 2m reaches the ground sqrt(2) seconds. If the length of a simple pendulum is 2m on that planet, its time period is

On a planet a body is left freely from a height 2m reaches the ground

1.	On a planet a body is left freely from a height 2m reaches the ground sqrt(2) seconds. If the length of a simple pendulum is 2m on that planet, its time period is
Answer» `3.14 SEC` `6.28sec` `1.57 sec` `4.71sec` ANSWER :B