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A person can see clearly objects only when they lie between and from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be:

  1. A
    convex,
  2. B
    convex,
  3. C
    concave,
  4. D
    concave,

Solution & Step-by-step Explanation

To see an object at infinity (), the image should be formed at the person's far point ().Using lens formula: (Negative indicates a concave lens).Power .

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A person can see clearly objects only when they lie between and from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be:
A
convex,
B
convex,
C
concave,
D
concave,

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