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Welcome to Physics Homework and Study Help, where you can ask questions and receive help on learning physics. We currently focus on helping questions in introductory level college physics and high school AP Physics courses.
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Lecture Slide Problem

0 votes
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Can somebody explain how to do this problem.  I am pretty sure when the substitute was there he went over this and said the answer was 172 Hz.  I thought he said all you have to do is subtract the adjacent frequencies given and that is the fundamental frequency (which would be 172), but I do not understand why you divide that by 2, and that is the correct answer.  

 

asked Nov 12, 2014 in General by anonymous

1 Answer

0 votes
For half open and half closed pipes, the frequency is odd multiples of the fundamental frequency. Therefore, the difference between adjacent modes is twice the fundamental f.
answered Nov 12, 2014 by PhysicsDude (21,750 points)
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