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A turning fork vibrates at 256 Hz. How many times does one of its prongs vibrate back and forth in 5 seconds
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8 votes
8 votes
A turning fork vibrates at 256 Hz. How many times does one of its prongs vibrate back and forth in 5 seconds

User Askids
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1 Answer

18 votes
18 votes

First find time period


\\ \bull\tt\longrightarrow Frequency=(1)/(Time\:Period)


\\ \bull\tt\longrightarrow Time\:Period=(1)/(Frequency)


\\ \bull\tt\longrightarrow Time\:Period=(1)/(256)=0.003s

Now


\\ \bull\tt\longrightarrow No\:of\:times\:it\:vibrate=5(0.003)=0.015times

User ISebbeYT
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