CAT NO: DIDACTICNLE-Export-047003
Wavelengths And Frequencies With A Quincke Tube Multimeter.
Principle:
When
a sound wave of a particular frequency is divided into two coherent
components (like, for example, light waves in an interferometer
experiment), and if the path of one of the component waves is altered,
it is possible to calculate the wavelength of the sound wave and its
frequency from the interference phenomena recorded with a microphone.
Tasks:
Record the extension of a Quincke tube for given frequencies in the range 2000 Hz to 6000 Hz.
Calculate the frequencies from the wavelengths determined and compare them with the given
What you can learn about:
Transverse and longitudinal waves
Wavelength
Amplitude
Frequency
Phase shift
Interference
Velocity of sound in air
Loudness
Weber-Fechner law
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