MHT CET Physics question

A wavefront is

(A)a surface imagined parallel and coplanar with light rays
(B)a surface around a source such that each point of it is at a constant distance from the source
(C)a surface which contains the plane of oscillations of electric field of light
(D)a surface which is created by medium particles oscillating in same phaseCorrect

Answer: (D)

Solution

A wavefront is the locus of all points of the medium oscillating in the same phase; it is perpendicular to the rays (not parallel), a constant-distance

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Question ID VK-077291