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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 - Erudites Academy

A. V/L
B. 5V/L2
C. 5L/4V
D. 5V/4L

Correct Answer: Option D

Explanation

L = 5λ/4

λ=4L/5

But λ=fλ

f = vλ=v/4L/5

= 5v/4L

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