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an open pipe resonates with frequency f1 and 2nd harmonic. Now one end is closed and the frequency is slowly increased till it resonates with frequency f2 and nth harmonic, then n=? and find the relation between f1 and and f2.
P.S.- after solving my answer comes to n=3 and f2=3/5f1 but the books i have referred to show the answer to be n=5 and f2=5/4f1
Dear student,
f1=1/l root(B/p)
f2=n/4l root(B/p)
f2=n/4f1
for the 1st resoance n=5
f2=5/4 f1
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