# Speed of Sound Essay

1011 Words Jan 24th, 2011 5 Pages
Oklahoma City Community College Phsyics 1 | Speed of Sound | Mastery Experiment | | Lindsay Pickelsimer | 12/3/2010 |

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The speed of sound is a traveled distance through a certain amount of time that uses sound waves that spreads through and elastic medium. It usually depends on the temperature to which how fast it travels; speed of sound is increased when temperature increases. Frequency and wave length deals with determining the speed of sound. Speed of sound is inversely proportional to that of the wave length. In other words, if the velocity increases to a higher speed, then the wave length decreases in size. A series of
To find these numbers a percent discrepancy equation is used. That is the measured value of the wave length minus the theoretical value of the wave length over the theoretical value of the wavelength times 100. As shown in figure 3, this was done pretty accurately. Figure 4 shows a direct relationship that velocity has on frequency as it increases. It is very difficult to tell since there is only five different points, but it seems as velocity would slightly increase in speed as frequency levels get higher and higher. When the frequency is set at 2500 Hz the velocity is at 344 m/s. When the frequency is turned up to 3000 Hz, the velocity jumps up to 345 m/s, then jumps back down to 343 m/s when the frequency goes up to 3500 Hz. The measured values compared very accurately within those values of the theoretical. All values were no more than 2% in error of the theoretical values. There is always some source of error in any experiment that must be accounted for. One, being air temperature because if the air was in fact not exactly room temperature, then the change in temperature wasn’t accounted for. Therefore, error would be represented in the velocity. Second, sound in the background could affect the experiment, so this experiment should be done in a quiet room. Miscalculating is always a source of error, it very easily to read a measurement or calculation

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