A simple pendilum is swinging in a vertical plane. The ratio of its potential energies when it is making angle 30^(@) and 60^(@) with the vertical is,

A simple pendilum is swinging in a vertical plane. The ratio of its po

1.	A simple pendilum is swinging in a vertical plane. The ratio of its potential energies when it is making angle 30^(@) and 60^(@) with the vertical is,
Answer» `1:(2-sqrt(3))` `(2-sqrt(3)):1` `1:2` `2:1` ANSWER :B