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Periodic waves are characterized by crests (highs) and troughs (lows), and may usually be categorized as either longitudinal or transverse. [http://en.wikipedia.org/wiki/Transverse_wave Transverse waves] are those with vibrations perpendicular to the direction of the propagation of the wave; examples include waves on a string, and electromagnetic waves. [http://en.wikipedia.org/wiki/Longitudinal_wave Longitudinal waves] are those with vibrations parallel to the direction of the propagation of the wave; examples include most sound waves.
Periodic waves are characterized by crests (highs) and troughs (lows), and may usually be categorized as either longitudinal or transverse. [https://en.wikipedia.org/wiki/Transverse_wave Transverse waves] are those with vibrations perpendicular to the direction of the propagation of the wave; examples include waves on a string, and electromagnetic waves. [https://en.wikipedia.org/wiki/Longitudinal_wave Longitudinal waves] are those with vibrations parallel to the direction of the propagation of the wave; examples include most sound waves.
When an object bobs up and down on a ripple in a pond, it experiences an orbital trajectory because ripples are not simple transverse sinusoidal waves.
When an object bobs up and down on a ripple in a pond, it experiences an orbital trajectory because ripples are not simple transverse sinusoidal waves.
* French, A.P. (1971). Vibrations and Waves (M.I.T. Introductory physics series). Nelson Thornes. ISBN 0-393-09936-9. OCLC 163810889.
* French, A.P. (1971). Vibrations and Waves (M.I.T. Introductory physics series). Nelson Thornes. ISBN 0-393-09936-9. OCLC 163810889.
* Hall, D. E. (1980), Musical Acoustics: An Introduction, Belmont, California: Wadsworth Publishing Company, ISBN 0534007589 .
* Hall, D. E. (1980), Musical Acoustics: An Introduction, Belmont, California: Wadsworth Publishing Company, ISBN 0534007589 .
* Hunt, F. V. (1992) [1966], Origins in Acoustics, New York: Acoustical Society of America Press, http://asa.aip.org/publications.html#pub17 .
* Hunt, F. V. (1992) [1966], Origins in Acoustics, New York: Acoustical Society of America Press, https://asa.aip.org/publications.html#pub17 .
* Ostrovsky, L. A.; Potapov, A. S. (1999), Modulated Waves, Theory and Applications, Baltimore: The Johns Hopkins University Press, ISBN 0801858704 .
* Ostrovsky, L. A.; Potapov, A. S. (1999), Modulated Waves, Theory and Applications, Baltimore: The Johns Hopkins University Press, ISBN 0801858704 .
* Vassilakis, P.N. (2001). Perceptual and Physical Properties of Amplitude Fluctuation and their Musical Significance. Doctoral Dissertation. University of California, Los Angeles.
* Vassilakis, P.N. (2001). Perceptual and Physical Properties of Amplitude Fluctuation and their Musical Significance. Doctoral Dissertation. University of California, Los Angeles.
