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MHT CET20225 Aug 2022Morning ShiftPhysicsRay OpticsActual

Two thin lenses have a combined power of +9 D . When they are separated by a distance of 20 ~cm , then their equivalent power becomes + 27 5 D. Their individual power (in diopter) is respectively

Options

  1. A2,7
  2. B1,8
  3. C4,8
  4. D3,6

Correct answer

D. 3,6

Step-by-step solution

The correct option is (D). Given, combined power of the lenses: On solving equation (1) and (2), P₁=3 D and P₂=6 D

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