# What Has a Higher Frequency Than the Fundamental Frequency?

There are several types of sound waves that have a higher frequency than the fundamental frequency. The fourth harmonic is actually two octaves higher than the fundamental frequency. The fundamental frequency is used most often in physics calculations.
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 A square wave contains many higher harmonics of the fundamental. A much higher frequency, a harmonic of the fundamental, is what causes the fast slew rate of the square wave edges. http://wiki.answers.com/Q/What_has_a_higher_freque...
 The fundamental = 1st harmonic is not an overtone! Fundamental frequency = 1st harmonic. The following tones have a higher frequency: 2nd harmonic = 1st overtone. 3rd harmonic = 2nd http://wiki.answers.com/Q/What_has_a_higher_freque...
 1. Determine the velocity of sound based on the air temperature. Use the speed-of-sound calculator to determine the speed by entering the temperature and pressing the “calculate http://www.ehow.com/how_5938021_determine-fundamen...
 1. Measure the length of the system. This is one half of the wavelength of the wave it carries. For a tube, measure the length of the tube. For a string, measure the length of the http://www.ehow.com/how_6005910_calculate-fundamen...
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