Click a letter to initialize each standing wave:

A B C D E F G H I

Distance is shown in cm and time in seconds.

Which standing wave would represent the third harmonic of a guitar string?
[G ]
Which standing wave would represent the second harmonic of a flute?
[F ]
Which standing wave would represent the third harmonic of a clarinet?
[H ]

Wavelength and Frequency

What is the amplitude of wave F? [6 ]cm What is the wavelength of A? [60 ]cm What is the frequency of A? [0.25 ]Hz What is the wavelength of D? [30 ]cm What is the frequency of D? [0.5 ]Hz What is the wavelength of G? [20 ]cm What is the frequency of G? [0.75 ]Hz

What is the wavelength of B? [120 ]cm What is the frequency of B? [0.125 ]Hz What is the wavelength of E? [40 ]cm What is the frequency of E? [0.375 ]Hz What is the wavelength of H? [24 ]cm What is the frequency of H? [0.625 ]Hz

In what way does the harmonic sequence differ for closed/closed and closed/open systems?

Key: The frequencies for the closed/open systems are simply the odd harmonics of the closed/closed.