Question

a simple pendulum makes 10 oscillations in 20 seconds what is the time period and frequency of the oscillation.. please explain in detail..

Answer 1

Frequency = Number of oscillations / minute

Therefore f=10/20

f=1/2

Time periodine is 1/f

Therefore time period =1/1/2

Therefore time period =2

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Answer 2

Time Period = 1/2s
$\frac{10}{20} = \frac{1}{2}$
Frequency = 2Hz
$\frac{1}{t} = \frac{2}{1} = 2$