A simple pendulum is swinging in vertical plane. The ratio of its potential energies when it is making angles 45^(@) and 90^(@) with the vertical is

A simple pendulum is swinging in vertical plane. The ratio of its pote

1.	A simple pendulum is swinging in vertical plane. The ratio of its potential energies when it is making angles 45^(@) and 90^(@) with the vertical is
Answer» `1 : 1` `1 : (SQRT(2) + 1)` `sqrt(2) : 1` `(sqrt(2) - 1) : sqrt(2)` ANSWER :D