Question

A pendulum oscilates 105 times in 15 seconds. find its time period and frequency.​

Answer 1

Answer:

Time period is defined as the time required to complete one oscillation.

Frequency is defined as the number of oscillations per unit time.

Time = 4 sec.

Time Period = (Time taken) / (Number of Oscillations)

Time Period = (4/40) = 0.1 sec.

Frequency = (Number of Oscillations)/ (Time taken)Frequency = (40/4) =10Hz.

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Answer 2

Answer:

No. of Oscillations- 105

Time taken= 15sec

Time period 》

$\frac{number \: of \: oscillation \: }{time \: taken} = \frac{105}{15} = 7$

Frequency 》

$\frac{number \: of \: oscillation}{time \: taken} = \frac{105}{7} = 15hz$

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