A bob is suspended from an ideal string of length 'l'. Now it is pulled to side through 60^(@) to vertical and whirled along a horizontal circle. Then its period of revolution is

A bob is suspended from an ideal string of length 'l'. Now it is pulle

1.	A bob is suspended from an ideal string of length 'l'. Now it is pulled to side through 60^(@) to vertical and whirled along a horizontal circle. Then its period of revolution is
Answer» `PI SQRT(l//g)` `pi sqrt(l//2g)` `pi sqrt(2l//g)` `2PI sqrt(l//g)` ANSWER :C