Question

what is wavefront?how it is related with ray of light?
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Answer 1

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• A Wavefront is defined as the locus of points that are in the same phase (a line or a surface) for a wave propagating by a source of the disturbance. Wavefronts are always perpendicular to rays 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.

Answer 2

Answer:

wavefront is a surface containing points affected in the same way by a wave at a given time.

A  Wavefront is defined as the locus of points that are in the same phase (a line or a surface) for a wave propagating by a source of the disturbance. Wavefronts are always perpendicular to rays 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