Page 11 - SoundWaveModule

If a 3/4 wave is formed along
the organ pipe, then the
resulting tone is called the 1st
overtone

L = ⁄ λ then λ = 4/3

The closed organ pipe
equation for the 1st overtone
FIRST UPPER TONE is

Based on the data above, it can be concluded that the frequency of the nth upper tone in a closed
organ pipe can be determined by the formula:

Comparison of the frequency of the tones produced by the sound source in the form of a closed
organ pipe with the frequency of the underlying tone

5. Intensity and Level of Intensity

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