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Question: What is the power of a glass lens when the focal length (f) is 0.5 meters?

Options

  1. A+0.5 dioptres
  2. B+1 dioptre
  3. C+2 dioptres
  4. D+4 dioptres

Correct answer

C. +2 dioptres

Step-by-step solution

Correct Option is : (C) +2 dioptres

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