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A simple pendulum makes 10 oscillations in 20 s. What is the time period and frequency of its oscillations?
Here given, no. of oscillations $=10$
time $=20\ s$
So, time period $T=\frac{time\ taken}{no.\ of\ oscillations}$
$=\frac{20\ s}{10}$
$=2\ s$
So, frequency, $f=\frac{1}{T}$
$=\frac{1}{2\ s}$
$=0.5\ Hz$
Therefore, the time period is $2\ s$, and the frequency is $0.5\ Hz$.
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