What is simple pendulum? Derive an expression for the time period and frequency of a simple pendulum of length I. What will be the effect on the time period of a simple pendulum if length of the pendulum becomes (a) greater than the radius of the Earth (b) becomes equal to the radius of the Earth?

What is simple pendulum? Derive an expression for the time period and

1.	What is simple pendulum? Derive an expression for the time period and frequency of a simple pendulum of length I. What will be the effect on the time period of a simple pendulum if length of the pendulum becomes (a) greater than the radius of the Earth (b) becomes equal to the radius of the Earth?
Answer» Solution :(a) If length of the PENDULUM becomes GREATER than the RADIUS of earth then the TIME period is 84.6 min. (b) 60 min.