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![[Post New]](/templates/default/images/icon_minipost_new.gif) 5 Apr 2008 13:30:55 IST
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On closing an open pipe, it was found that the third harmonic is higher by 100Hz with the frequency of open pipe, find the frequency of the open pipe?
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5 Apr 2008 13:38:47 IST
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the length of the pipe is not given?
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5 Apr 2008 13:41:49 IST
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no
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5 Apr 2008 13:49:51 IST
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sum1 do it plz............
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5 Apr 2008 13:56:16 IST
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hey ans is 200hz
rate me if ans is rite
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5 Apr 2008 13:56:42 IST
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ya dude........give details plz.........
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5 Apr 2008 14:02:13 IST
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hey dude.......plz giv me detailed ans..........
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look for open pipe 3rd hormonic=3v/2L
and for closed pipe 3rd hormonic=7v/4L
now, 7V/4L-3v/2L=100
i.e. v/4L=100
v/2L=200=fundamental frequency
cheers
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5 Apr 2008 14:08:11 IST
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got it or not???
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