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Unformatted text preview: PHYSICS LABORATORY REPORT ‘ The Speed of Sound Tanisha Billups November 12, 2008 Objective of the Experiment: The purpose of this experiment is to measure the velocity of sound in air at room temperature using a vibrating air column. Theory: The speed of sound depends on the type of medium and the temperature of the medium. In this experiment, an air column whose length is varied is used to measure the velocity of sound. In order to cause the column to vibrate in resonance the length is varied. The frequency of the source and the length of the air column are needed to find the velocity of sound. The equation for the velocity of a wave is given by v = where is the wavelength in meters and is the frequency in 1/s. λѵ λ ѵ Temperature is a major factor when determining the speed of sound. To determine the velocity the following equation is used v = 331 T/273. To calculate we used the equation = λ λ 4L The wavelength for each position was 2m + 1. 2m + 1....
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This note was uploaded on 05/01/2011 for the course HPHY 154 taught by Professor Bak during the Fall '08 term at Morehouse.
- Fall '08