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  • An open pipe is suddenly closed at one end with the result that the frequency of third harmonic of the closed pipe is found to be higher by 100 Hz, then the fundamental frequency of open pipe is -<

An open pipe is suddenly closed at one end with the result that the frequency of third harmonic of the closed pipe is found to be higher by 100 Hz, then the fundamental frequency of open pipe is -

Option: 1

200 Hz


Option: 2

300 Hz


Option: 3

240 Hz


Option: 4

480 Hz


Answers (1)

best_answer

Now given that, 

\begin{aligned} \frac{3 f}{2}-f=100 \text { or } \frac{f}{2} & =100 \\ f & =200 \end{aligned}

Posted by

avinash.dongre

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