Question

Calculate time period of a simple pendulum if it takes 84 seconds to complete 12 oscillations

Answer 1

◆ Answer -

Time period of simple pendulum = 4 s

● Explanation -

Time period of simple pendulum is time taken by the pendulum to complete one oscillation.

Time period is thus calculated by -

Time period = total time / no of oscillations

Time period = 84 / 12

Time period = 7 s

Hence, time period of simple pendulum is 4 s.

Answer 2

Answer:

7 sec is the time period of given simple pendulum.

Explanation:

For 12 oscillation time taken by pendulum = 84 sec

Now

We know,

✔️Time period = time taken to make

one complete oscillation

✔️T = Time taken/ no of oscillation

✔️T = 84 / 12 sec

✔️T = 7 sec