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A musician playing a string instrument may use a finger to push a string tightly against the fingerboard of her instrument, thus shortening the length of the string. This causes the fundamental frequency to (a) increase, (b) decrease, (c) not change.

Respuesta :

Answer:

a) increase

Explanation:

The frequency of sound produced due to vibration of a string is governed by the following formula  

n = 1/2L√T/m ;

L is length of the string  in vibration, T is tension in the  string  and m is mass of string per unit length.

So frequency is inversely proportional to length of the string. Hence shortning of length of string increases the frequency of vibration.

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