A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
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Answer:
The number of oscillations per second of the vibrating body is known as the frequency of oscillation.
Frequency = Total number of oscillations
Total time taken
= 50/5
= 10 Hz
Time period is the time taken to complete one oscillation. It is also the inverse of frequency.
Time period = 1/ Oscillating frequency
= 1/10
= 0.1 s
∴ frequency = 10 Hz
Time period = 0.1 s
Explanation:
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