Question

the time taken for a simple pendulum is 30 s for 20 oscillations . the time period of ?​

Answer 1

Answer: 1.5 s

Explanation: Time taken to complete 20 oscillations =30s

Time taken to complete 1 oscillation =30/20s = 1.5s

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

So, The Time period of pendulum is 1.5 seconds.

Hope this will help you!!!

Answer 2

Explanation:

time taken = 30 sec

total oscillation= 20

time period= total oscillation/ total time

= 20/30

= 0.67

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