Question:

The type of wavefront that emerges from a distant light source is:

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When light travels from a distant source, the wavefronts can be approximated as plane waves due to the parallel nature of the rays.
Updated On: Apr 23, 2025
  • Cylindrical
  • Plane
  • Diverging spherical
  • Converging spherical
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The Correct Option is B

Solution and Explanation

A distant light source produces approximately plane wavefronts because the rays coming from the source are nearly parallel. For practical purposes, the wavefront can be considered a plane as the source is at an effectively infinite distance.
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