Which of the following expresses the frequency of the note?

A pipe open at both ends, produces a fundamental note. If the velocity of sound in air is V and L the length of the pipe, which of the following expresses the frequency of the note? Neglect end correction

A. 2V/L
B. V/2L
C. V/3L
D. V/4L
E. V/5L

Correct Answer:

Option B – V/2L