Question

A closed organ pipe has fundamental frequency 100Hz. What frequencies will be produced, if its other ends is also opend ?
A. 200, 400, 600….
B. 200, 300, 400, 500….
C. 100, 300, 500, 700……
D. 100, 200, 300, 400….

Answer 1

Correct Answer - A
`n_0 = 200`
`n_1 = 2n_0 = 2xx200=400`
`n_2 = 3n_0 = 3xx200 = 600`