A simple pendulum completes 40 oscillations in 64 seconds. What is the time period of the pendulum?

An AC signal has a frequency of 60 Hz. What will be the time period for that signal?

If the frequency of a vibrating object is 50 Hz, what is its time period?

What is the increasing order of time periods of simple pendulums, all under the same acceleration due to gravity g, which have the following bob masses and lengths respectively? (K) 0.2 kg, 0.4 m (L) 0.2 kg, 0.9 m (M) 0.1 kg, 0.6 m (N) 0.3 kg, 0.2 m (O) 0.3 kg, 0.8 m