Question
Question: An open pipe of sufficient length is dipping in water with a speed v vertically. If at any instant l...
An open pipe of sufficient length is dipping in water with a speed v vertically. If at any instant l is length of tube above water then the rate at which fundamental frequency of pipe changes, is: (speed of sound = c)
A
cv/2l2
B
cv/4l 2
C
c/2 v2l2
D
c/4v2l 2
Answer
cv/4l 2
Explanation
Solution
n = 4ℓc ,