A simple pendulum of length L has been set up inside a railway wagon sliding down a frictionless inclined plane of inclination with the horizontal. Its period of oscillation as recorded by an observer inside the wagon is

A simple pendulum of length L has been set up inside a railway wagon s

1.	A simple pendulum of length L has been set up inside a railway wagon sliding down a frictionless inclined plane of inclination with the horizontal. Its period of oscillation as recorded by an observer inside the wagon is
Answer» `2PI sqrt((L)/(g COS THETA))` `2pi sqrt((L)/(g))` `2pi sqrt((L)/(g SIN theta))` `2pi sqrt((L cos theta)/(g))` Answer :A