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Question: Answered & Verified by Expert
A convex lens shown in the figure is made up of two types of transparent materials. A point sources of light is placed on its principal axis. If reflections from the boundaries between layers are ignored, the lens will form
PhysicsRay OpticsBITSATBITSAT 2018
Options:
  • A only one image
  • B two images
  • C infinite images
  • D no image at all
Solution:
1751 Upvotes Verified Answer
The correct answer is: two images
Since, the lens is made up of two kinds of transparent material, it has two refractive indices for the incident beam of light. Hence, there will be two focal lengths of the lens and therefore two images will be observed.

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