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KCET2008PhysicsRay Optics

A convex lens is made of 3 layers of glass of 3 different materials as in the figures. A point object is placed on its axis. The number of images of the object are

Options

  1. A1
  2. B2
  3. C3
  4. D4

Correct answer

A. 1

Step-by-step solution

A lens made of three different materials as shown have only one focal length. Thus, for a given object there is only one image.

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