Question

• A simple pendulum takes 36 sec. to
complete 20 oscillations. What is its time
period?
1) 3.6 sec
2) 1.8 sec
3) 18 sec
4) 7.20 sec​

Answer 1

Answer:

3.6 sec is correct ans

Explanation:

i hope it helps

Answer 2

Answer:

2) 1.8sec

Explanation:

Time period of a pendulum is time taken by it to complete 1 oscillation.

Time taken to complete 20 oscillations =36s

Time taken to complete 1 oscillation =36/20s = 1.8s