Answered: FIGURE 16.16 Guitar frets.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter16: Oscillatory Motion And Waves

Section: Chapter Questions

Problem 10PE: A stroboscope is set to flash every 8.00105s. What is the frequency of the flashes?

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Question

Although a guitar’s strings are all the same length, a player can produce many different notes by pressing the string against frets, metal bars on the neck of the guitar, as shown. The fret becomes the new end of the string, making the effective length shorter.
a. A guitar player plucks a string to play a note. He then presses down on a fret to make the string shorter. Does the new note have a higher or lower frequency?

Expert Solution

Step 1

The expression for the fundamental frequency (f) of the string is given as:

$f = \frac{v}{2 L}$

Here, v is the velocity of the wave, L is the length of the string.

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