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Word Count: 254
The stretched strings of an instrument can be vibrated in various ways The most basic way is the fundamental vibrational mode In this case the wavelength is twice that of the string length 2L The wave relationship can be applied to this to yield the frequency f fv2L where v is the wave velocity of the wave on the string Since the wave velocity is given as vTmL05 the frequency can be rewritten as fTmL052L This equation describes the frequency of a vibrating string given the tension T string mass m and string length L To adjust the tuning of a guitar you must alter the tension in the string For example by doubling the tension of the string you could increase the frequency by 205Changing the tension is done by turning the tuning nobs at the head of the guitarA guitar works by vibrating strings at different frequencies we deem pleasurable to the ear Due to the tuning of the guitar these frequencies overlap and for a smooth sound When the frequencies are not in sync a wobble can be detected Using a pitch pipe or another non-electronic piece of equipment another guitar you can play a reference pitch and tune one string to the reference pitch Once that is done you can adjust the tension on the other strings with respect to the first tuned string in an octave scale to eliminate the wobble heard when the frequencies are out of sync
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