A string is fixed at both ends. What is the frequency in Hz of the 9th harmonic if the frequency of the 6th harmonic is 128HZ? If we increase the intensity of a sound by 4.4 decibels, by what factor does its loudness increase?

A string is fixed at both ends. What is the frequency in Hz of the 9th harmonic if the frequency of the 6th harmonic is 128HZ? If we increase the intensity of a sound by 4.4 decibels, by what factor does its loudness increase?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A string is fixed at both ends. What is the frequency in Hz of the 9th harmonic if the frequency of
the 6th harmonic is 128HZ?

If we increase the intensity of a sound by 4.4 decibels, by what factor does its loudness increase?

Expert Solution

Step 1

Since there are multiple questions posted, we will answer the first question.

The relationship between the fundamental frequency and the harmonics is given by,

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