The time taken for one oscillation of the pendulum is called its.......... .

The number of oscillations per second is called ………… .

The time period T of oscillation of a simple pendulum of length l is given by T=2pi. sqrt((l)/(g)) . Find the percentage error in T corresponding to 2% in the value of l.

Fill in the following sentences with the suitable word: The time taken for the development of two adjacent leaves is called ……………….. Index.

Time for 20 oscillations of a pendulum is measured as t_1 = 39.6 s ,t_2 = 39.9s , t_3 = 39.5s , What is the precision in the measurements ? What is the accuracy of the measurement ?

Answer the following questions : What is the frequency of oscillation of a simple pendulum mounted in a cabin that is freely falling under gravity ?