Question

A pipe of length L is open at both ends. The speed of sound in the air of the pipe v. What is the frequency of the first harmonic?

1)3u/2L

2)2v/L


3)2v/3L

4)v/2L​

Answer 1

Answer:

option 4 is right one

Explanation:

as we know that f=

$\frac{nv}{2l}$

as n is equal to 1 so n/2L