Math Problem Statement
When two closed tubes (closed at one end) of different lengths each resonate at their 3rd harmonic, a 15.9 Hz beat frequency is observed. Both tubes are now opened at both ends. When each tube now resonates at its n = 3 harmonic frequency, the observed beat frequency is ______ Hz.
Solution
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Math Problem Analysis
Mathematical Concepts
Acoustics
Resonance
Harmonics
Formulas
Closed tube harmonic frequency: fn = (n * v) / (4 * L)
Open tube harmonic frequency: fn = (n * v) / (2 * L)
Theorems
-
Suitable Grade Level
Advanced High School
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