A freely falling body takes 2 seconds to reach the ground on a planet, when it is dropped form a height of 8m . If the perod of a simple pendulum is pie seconds on the planet the length of pendulum is (cm).

A freely falling body takes 2 seconds to reach the ground on a planet,

1.	A freely falling body takes 2 seconds to reach the ground on a planet, when it is dropped form a height of 8m . If the perod of a simple pendulum is pie seconds on the planet the length of pendulum is (cm).
Answer» 100 50 25 200 Answer :A