MCQ

Consider three converging lenses L1, L2 and L3 having identical geometrical construction. The index of refraction of L1 and L2 are $\mu_1$ and $\mu_2$ respectively. The upper half of the lens L3 has a refractive index $\mu_1$ and the lower half has $\mu_2$. A point object O is imaged at O1 by the lens L1 and at O2 by the lens L2 placed in same position. If L3 is placed at the same place:

  • A
    There will be an image at O1
  • B
    There will be an image at O2
  • C
    The only image will form somewhere between O1 and O2
  • D
    The only image will form away from O2.

Answer

  1. There will be an image at O1
  2. There will be an image at O2

Explanation:

It rays are Passing through m1 then Image will be form at "O1" and If rays are Passing through m2 then Image will be form at "O2".

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