The wavefronts of light coming from a distant source of unknown shape are nearly (a) plane (b) elliptical
The wavefronts of light coming from a distant source of unknown shape are nearly
(a) plane
(b) elliptical
(c) cylindrical
(d) spherical.
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1 Answers
The correct answer is
(a) plane
Explanation:
When the point source or linear source of light is at very large distance, a small portion of spherical or cylindrical wavefront appears to be plane. Such a wavefront is plane wavefront.
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