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Details Title: chapter 13 key terms Description: Northside High Holt Total Flash Cards: 11 Created: 04/25/2004 11:59:40	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Compression Definition The reigon of a longitudinal wave in which the density and pressure is greater than normal Term Rarefaction Definition The reigon of a longitudinal wave in which the density and pressure is less than normal Term Pitch Definition The percived highness and lowness of a sound depending on the frequency of the sound waves Term Doppler Effect Definition A frequency shift that is the result of relative motion between the source of sound waves and an observer Term Intensity Definition The rate at which energy flows through a unit area perpendicular to theb direction of wave motion Term Decibel Level Definition relative intensity determined by relating the intensity of a sound wave to the intensity at the threshold of hearing Term Resonance Definition A condition tha exsists when the frequency of a force applioed to a system matches the natural frequency of the vibration of the system Term Beat Definition The interference of waves of slightly diffrent frequencies traveling in the same direction pwercived as a variation in loudness Term Fundemental Frequency Definition The lowest frequency of vibration of a standing value Term Harmonic Series Definition A series of frequencies that includes the fundemental frequency and integral multiples of the fundemental frequency Term Timbre Definition The quality of a steady musical sound that is the result of a mixture of harmonics present at diffrent intesities