On a day when the speed is 345 m//s, the fundamental frequency of a closed organ pipe is 220 H_(Z) . (a) How long is this closed pipe? (b) The second overtone of this pipe has the same wavelength as the third harmonic of an open pipe . How long is the open pipe ?
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Answer:
A::b::c::d
Explanation:
(a) f=ν4l
∴l=ν4f=3454×220
=0.392m (b) 5(ν4lc)=3(ν2lo)
∴lo=65lc=65(0.392)
=0.470m
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