What will be the effect on time period if the initial position of the bob is slightly changed

The time period of a simple pendulum does not change if the displacement of bob is slightly changed.

(a) The statement is not always true

(b) The statement is always true

(c) The statement is some times true

(d) The statement is absolutely wrong

Ans-(b) The statement is always true

The time period of a simple pendulum does not change if the displacement of bob is slightly changed.