Maharashtra BoardEnglish MediumSTD 8ScienceSound2 Marks
Question
What is the frequency of a vibrating body whose time-period is 0.05 second?
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Answer
Time Period given by the inverse of the frequency.Time period $$$=\frac{1}{\text{frequency}}$
Or frequency $=\frac{1}{\text{Time period}}$
$\Rightarrow\text{frequency}=\frac{1}{0.05\text{ Sec}}=20\text{Hz}$
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