# lab 8 - found this by testing different lengths of nodal...

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Zoheb Noorani Todd Chapman Lab 8 Introduction: The purpose of this lab was to prove that you can find the velocity of a wave by multiplying the frequency by the wave length. We tried to show this by analyzing the standing waves between fundamental frequencies of different length strings. We did this by attaching a metal string to a sonometer and having a node attached to it. We try to find the fundamental frequency of the string by moving the node around the string. We than plucked the string and let a sound sensor pick up the noise. We than used the software to view the sound wave graph and to find the part of the graph that looks like a standing wave. I believe that we will be able to prove this. Conclusion: In conclusion, we were able to prove that the law that you can find the velocity of a wave by multiplying the frequency and the wavelength together. We
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Unformatted text preview: found this by testing different lengths of nodal point and different masses standing waves. We first calculated theoretical properties and then used the actual data values and calculated. Some of compared values of the lab 111 to 119, 148 to 150 and 237 to 246 these were all within a reasonable amount of error. Error Analysis: Some of the errors in the lab were that the microphone could not stay within the structure and there were also many outside noises which were caught by the sound sensor. These errors led to many graphs that had unwanted peaks making it hard to find an appropriate section to examine. We could have also used peaks that did not belong in the data that were caught from miscellaneous surrounding sounds....
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## This note was uploaded on 09/16/2009 for the course PHY 103M taught by Professor Staff during the Spring '08 term at University of Texas at Austin.

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