On a planet, a body is let fall freely from a height 8m reaches the ground in 2 sec. If the length of a simple pendulum is 1m on that planet, its time period is

On a planet, a body is let fall freely from a height 8m reaches the gr

1.	On a planet, a body is let fall freely from a height 8m reaches the ground in 2 sec. If the length of a simple pendulum is 1m on that planet, its time period is
Answer» 3.14sec 6.24 sec 1.57 sec 4.71 sec Answer :A