Question

A pendulum oscillates 40 times in
4 seconds. Find time period.
0.01 sec
0.001sec
0.02 sec
0.1 sec​

Answer 1

Answer:

0.1 sec

Explanation:

Frequency is defined as the number of oscillations per unit time. Time = 4 sec. Time Period = (4/40) = 0.1 sec. Frequency = (Number of Oscillations)/ (Time taken)Frequency = (40/4) =10Hz.

Answer 2

Answer:

c

Explanation:

0.02 is the anwer

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