Wave Optics Chapter Ten WAVE OPTICS
The envelope of the secondary wavelets emanating from F 1 F 2 produces the forward moving wavefront G 1 G 2. The backwave D 1 D 2 does not exist. Thus, if we wish to determine the shape of the wavefront at t = τ, we draw spheres of radius vτ from each point on the spherical wavefront where v represents the speed of the waves in the medium. If ...
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