The mass and diameter of a planet are two times those of earth. If a seconds pendulum is taken to it, the time period of the pendulum is seconds is

The mass and diameter of a planet are two times those of earth. If a s

1.	The mass and diameter of a planet are two times those of earth. If a seconds pendulum is taken to it, the time period of the pendulum is seconds is
Answer» `(1)/(SQRT(2))` `(1)/(2)` `2sqrt(2)` `sqrt(2)` ANSWER :C