what is wavefront? what is the shape of the wavefront at a point far away from the source of light?
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what is wavefront?
the wavefront of a time-varying field is the set of all points where the wave has the same phase of the sinusoid.
what is the shape of the wavefront at a point far away from the source of light?
For a point far away from the source of the light wavefront is planar in shape as rays are parallel to each other.
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