Theory

For conducting the experiment, each ball is supported by nylon thread into the hook. It is possible to change the length of pendulum. This makes it possible to study the effect of variation of length on periodic time. A small ball may be substituted for large ball to illustrate that the period of oscillation is independent of the mass of the ball.

To verify the relation  T = 2π √ L/G

Where,

T = Periodic time in sec.

L = Length of Pendulum in cms.