# need help! one try left! What is the change in the wavelength of the third harmonic caused by replacing the light ball with the heavy one [Solved] (Note that the frequency *does* change because the speed of the waves change. The tension increases 5 times, so the speed increases 5 times, so the frequency increases 5 times.)

(Note that the frequency *does* change because the speed of the waves change. The tension increases 5 times, so the speed increases 5 times, so the frequency increases 5 times.)

The 1st harmonic has wavelength given by L = /2: = 2L
The 2nd harmonic has wavelength given by L = : = L
The 3rd harmonic has wavelength given by L = (3/2): = (2/3)L

(Note that the frequency *does* change because the speed of the waves change. The tension increases 5 times, so the speed increases 5 times, so the frequency increases 5 times.)

(Note that the frequency *does* change because the speed of the waves change. The tension increases 5 times, so the speed increases 5 times, so the frequency increases 5 times.)

When : L = 1.26m, = (2/3) x 1.26 = 0.840m

This post is last updated on hrtanswers.com at Date : 1st of September – 2022

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