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Question
The wavefronts of the light from a distant source of unknown shape are nearly,
The wavefronts of the light from a distant source of unknown shape are nearly,
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Solution
The correct option is A Plane
The wavefronts of the light from a distant source of the light are planes perpendicular to the direction of propagation of the light. As a wavefront propagates through a medium, its curvature goes on reducing, so that at infinite distance, it becomes a plane wavefront.
Hence, (A) is the correct answer.
The wavefronts of the light from a distant source of the light are planes perpendicular to the direction of propagation of the light. As a wavefront propagates through a medium, its curvature goes on reducing, so that at infinite distance, it becomes a plane wavefront.
Hence, (A) is the correct answer.
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