Question:

Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is:

Updated On: Nov 21, 2024
  • Both spherical and cylindrical
  • Cylindrical
  • Spherical
  • Plane
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The Correct Option is D

Solution and Explanation

When light emerges out of a convex lens with a source placed at its focus, the rays emerge parallel to the principal axis. This results in a plane wavefront due to the parallel nature of the emergent rays.
light emerges

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