Page 35 - WAVES
P. 35

Principle of superposition of Waves

   When two waves interfered, the resulting displacement of the medium at any location is the

   algebraic sum of the displacements of the individual waves.


   Superposition of two waves originating from two coherent sources.



                                                        Constructive Interference


          Superposition of two crests                                                        Superposition of two troughs



                                           Resultant
                                           Amplitude
                   Cork                                                                         Cork

                                                           2a
              a                   a









                                                                                                                        Resultant
                                                        Destructive Interference                                        Amplitude

                                                Superposition of a crest and a trough











                                                                                          Resultant
                                                                                          Amplitude
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