Page 13 - WAVES
P. 13

Period (T)                                                                               Frequency, f

  The time taken for an                                                                    The number of waves produced in

  oscillation to complete one                                                              one second.
  cycle.                                                                                                         1


  SI unit is second (s).                                                                                   f =
                                                               Waves                                            T


                                                                                           SI unit is Hertz (Hz)


    Wave Speed (v)                                                                         Relationship
    The speed of a wave is the                                                             The relationship between speed,

    measurement of how fast a crest is                                                     wavelength and frequency
    moving from a fixed point.
                                                                                                           v=fλ

                     -1
    SI unit is ms .

      Displacement-distance graph                                           Displacement-time graph




       Displacement                                                          Displacement
                          λ                                                                    T


        a                                                                      a                            T

                                                       Distance                                                              Time
        a                                                                      a
                                   λ                                                                    T




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