A pendulum completes 2 oscillations in 5s.

(a) What is its time period?

(b) If g = 9.8 ms^-2, find its length.

The time periods of two simple pendulums at a place are in the ratio 2:1. What will be the ratio of their lengths ?

It takes 0.2s for a pendulum bob to move from mean position to one end. What is the time period of pendulum?

How much time does the bob of a seconds' pendulum take to move from one extreme of its oscillation to the other extreme?