Page 12 - WAVES
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Vibration/Oscillation                                                                                         Amplitude (a)
   The movement from one
   extreme position to the other                                                                                 The maximum

   and back to the same                                                                                    displacement from its
   position                                                                                                 equilibrium position.

                                                                                                             Amplitude relates to

                                                                                                           loudness in sound and
                                                                Waves                                         brightness in light.




                                                                                                            SI unit: meter, m












                                                            Wavelength (λ)
                                        The distance between two adjacent points of
                                                  the same phase on a wave.

                    λ                                                                                   λ










                             λ                                                                                    λ


  The distance between two successive                                                      The distance between two successive
  crests or two successive troughs                                                         compressions or two successive

                                                                                           rarefactions in a sound wave.                  12
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