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If the least distance of distinct vision for a boy is 35 cm, then the lens to be used by the boy for correcting the defect of his eye is

Options

  1. Aconvex lens of focal length 35 cm
  2. Bconcave lens of focal length 35 cm
  3. Cconvex lens of focal length 87.5 cm
  4. Dconcave lens of focal length 87.5 cm

Correct answer

C. convex lens of focal length 87.5 cm

Step-by-step solution

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