Question

pendulum oscillaties 40 times in 4 seconds find its time period and frequency please give short answer class 8 science​

Answer 1

Frequency is defined as the number of oscillations per unit time. Time = 4 sec. Time Period = (4/40) = 0.1 sec. Frequency = (Number of Oscillations)/ (Time taken)Frequency = (40/4) =10Hz.