. A pendulum oscillates 120 times in 12 seconds. Find its time periods can i know how to find it please
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Solution
Number of oscillations = 40
Time taken for 40 oscillations = 4 sec
frequency = Number of oscillations / Time = 40 / 4 = 10 Hz
Time period = 1 / Frequency = 1 / 10 = 0.1 sec
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