A person can see clearly objects only when they lie between \(50~\text{cm}\) and \(400~\text{cm}\) 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. \(\text{convex, +2.25 diopter}\) 2. \(\text{concave, -0.25 diopter}\)
3. \(\text{concave, -0.2 diopter}\) 4. \(\text{convex, +0.5 diopter}\)
 

Subtopic:  Human Eye |
 75%
From NCERT
NEET - 2016
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