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What is the refractive index of glass if the radii of curvature of the faces of a double convex lens are 10 cm and 15 cm, and its focal length is 12 cm?

Options

  1. A1.2
  2. B1.4
  3. C1.5
  4. D1.6

Correct answer

C. 1.5

Step-by-step solution

Correct Option is : (C) 1.5

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