The mass and radius of a planet are double that of the earth. The time period of simple pendulum on the planet, if T is the time period of simple pendulum on earth.

The mass and radius of a planet are double that of the earth. The time

1.	The mass and radius of a planet are double that of the earth. The time period of simple pendulum on the planet, if T is the time period of simple pendulum on earth.
Answer» 2T `SQRT(2)T` `T//2` `T//sqrt(2)` ANSWER :B