Question

A pendulum oscillates 40 times in 4 seconds. Find its time period And frequency.​

Answer 1

Answer:

Answer given in the attached picture

Explanation:

hope it's help you

Answer 2

Answer:

Time period = 0.1 s

Frequency = 10Hz

Explanation:

Time period is the time taken to complete 1 oscillation

So, time period in this case = (4 / 40) s = 0.1s

Frequency is the number of oscillations in unit time

So, here Frequency = (40 / 4) Hz = 10Hz