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Answer :
We know that, \( Frequency \ = \ \frac{Number \ of \ oscillations}{Total \ time} \)
Also, \( Number \ of \ oscillations \ = \ Frequency \ × \ Total \ time \)
Given,
Frequency of sound = 100 Hz
Total time = 1 min = 60 s
\( \therefore Number \ of \ oscillations \ \)
\(= \ 100 \ × \ 60 \ = \ 6000 \)
The source vibrates 6000 times in a minute and produces a frequency of 100 Hz.