Question

A pendulum makes 400 oscillations in 10 seconds. Calculate the frequency and time period of oscillation of the pendulum in milliseconds.

Answer 1

1. Given that 400 oscillations are made by the pendulum for 10 seconds.
We know that the number of oscillations made per second is called its frequency 400/10 = 40

2. Time period = 1/ Frequency
1/40
= 0.025 s
= 25 ms