An oscillating body has a period of $0.02$ s. Find its frequency.
A$0.02$ Hz
B$2$ Hz
C$50$ HzCORRECT
D$500$ Hz
JUPEBPhysicsCircular and Simple Harmonic Motion
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Why the answer is C, and why the others tempt you.
$f = \dfrac{1}{T} = \dfrac{1}{0.02} = 50$ Hz, the frequency of the Nigerian mains supply.
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