Question

simple pendulum completes 20 oscillations in 25 seconds.Find its frequency and time period​

Answer 1

Explanation:

Time period=time required to complete one oscillation

time required to complete twenty oscillation=25s

time taken to complete one oscillation=25/20=1.25

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Answer 2

Answer:

The Frequency is 0.8 Hz and the Time Period is 1.25 s.

Explanation:

No. of oscillations a pendulum completes in 25 seconds = 20

No. of oscillation the pendulum has completed in 1 second = [20/25] Hz

Frequency = 0.8 Hz

Time Period = 1/F

= [1/0.8] s

= 1.25 s

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