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Propagation of Sound Waves — PHYSICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9PHYSICSPropagation of Sound Waves2 Marks
Question
The time period of a simple pendulum is 2 s. Find its frequency.
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Answer

Frequency, ν = 1/T
Or, ν = 1/ 2 = 0.5 Hz

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