If there had been one eye of a man, then:

1. image of the object would have been inverted
2. visible region would have decreased
3. image would have not been seen in three dimensional
4. Both (2) and (3)

Subtopic:  Human Eye |
 54%
From NCERT
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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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A boy with defective eye-sight cannot see things beyond 50 cm. The corrective lens required has the power:

1. +1 D

2. +2 D

3. -1 D

4. -2 D

Subtopic:  Human Eye |
 67%
From NCERT
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NEET 2026 - Target Batch - Vital
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