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Sound — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceSound1 Mark
Question
An object oscillates 50 times in one second. What would be its frequency?
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Answer

  1. 50Hz
Explanation:
Frequency is defined as the number of oscillations in one second , as the given object is oscillating, 50 times in one second therefore its frequency is 50 Hz .

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