Question

❤❤❤Hey❤❤❤
The fundamental frequency of oscillations of a one end closed pipe is 600 Hz. What will
be the fundamental frequency of oscillation of a two end open pipe of same length?
Carries 1 Mark

Class 11 CBSE

Answer 1

For a pipe open at one end, f1 = v/4L

600 = v/4L

L = v/2400 -----[1]

For a pipe open at both ends, f1 = v/2L

f1 = v/(v/1200) {from [1]}

f1= 1200 Hz