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

1.	On a planet a body is left fall 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 6.28 sec 1.57 sec 4.71 sec Answer :B