The length of a second's pendulum on the surface of the Earth is 0.9 m. The length of the same pendulum on surface of planet X such that the acceleration of the planet X is n time greater than the Earth is

The length of a second's pendulum on the surface of the Earth is 0.9 m

1.	The length of a second's pendulum on the surface of the Earth is 0.9 m. The length of the same pendulum on surface of planet X such that the acceleration of the planet X is n time greater than the Earth is
Answer» 0.9n `(0.9)/(N)m` `0.9n^(2)m` `(0.9)/(n^(2))` ANSWER :A