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frequency - the number of cycles of a wave to pass some point in a second; units of frequency are thus cycles per second, or Hertz (Hz).

  ©Copyright 2003 Carnegie Mellon University
This material is based upon work supported by the National Science Foundation under Grant Number 9653194. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.