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for certain organ pipe three successive resonance frequency are 425,595,765Hz.if speed of air is 340 find the length of pipe?

for certain organ pipe three successive resonance frequency are 425,595,765Hz.if speed of air is 340 find the length of pipe?

Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Assuming to be open pipe the Fundamental frequency needs to be calculated first as:
For open organ pipe,
the frequency ratio is: 1:3:5..............
hence,
595/425 = 7/5
ANd therfore, the fundamental frequence would be = > 425/5 = 85.
85 = v/2l
2l = v/85=> 340/85
l  = 340/(85*2) = 2 meter.
 
 

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