The diagram given illustrates the waveform of a note prod...
The diagram given illustrates the waveform of a note produced by vibrations in an air column of length L. If the speed of sound in air is V, derive an expression for the frequency of the notes
VL
5VL2
5L4V
5V4L
Correct answer is D
L = 5λ4
λ=4L5
But λ=fλ
f = vλ=v4L5
= 5v4L