Physical Science Activities Manual ________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________ Center of Excellence for Science and Mathematics Education at The University of Martin E. Using the Speed of Sound to Find the Frequency 1. Provide another tuning fork of unknown frequency and ask the students to find out its frequency by modifying the resonance experiment introduced in part C above. In other words use air in the tube rather than CO 2 or methane. 2. Obviously, all they must do is to use the speed of sound in air that they determined in part B and the wavelength that they determine in this setup to solve the equation v = f for f F. Doppler Effect 1. We have all stood at a railroad crossing and heard the whistle of the approaching train. After the train passes you, you can still hear the whistle.
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This note was uploaded on 02/17/2012 for the course CHM 4410 taught by Professor Dr.kroto during the Fall '10 term at FSU.