1.

definition of wavefront says that it is the combination of points in the same Phase but what do you mean by this statement explain in brief

Answer»

Wave front, imaginary surface representing corresponding points of awavethat vibrate in unison. When identical waves having a common origin travel through ahomogeneousmedium, the corresponding crests and troughs at any instant are in phase;i.e.,they have completed identical fractions of their cyclic motion, and any surface drawn through all the points of the samephasewillconstitutea wave front.TheFigureshows a spherical wave front (ws) for asoundwave spreading out from a point source and a plane wave front (wp) for a parallel beam of light, such as that emitted from a laser. Wave fronts for longitudinal and transverse waves may be surfaces of any configuration depending on the source, the medium, and the obstructions encountered.See alsoHuygens’ principle.



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