Three-Wire Sonometer
Three-Wire Sonometer
Enquiring the laws of the vibrating string
Appealing and elegant, the Sonometer is a classical device developed in order to study vibrating strings.
With this apparatus is possible to investigate the dependence of the pitch on the length, tension and thickness of a vibrating string.
Laws and principles investigated
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Students can readily verify the dependence of the pitch on the length of the string, just inserting a bridge under the string as to choose such length.
More over, two strings of different diameter are put under tension with an endless screw device: weights or a dynamometer can be attached to the other string.
The excitation of the strings is obtained with a bass bow or simply plucking them.
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