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A person can see clearly objects only when they lie between 50 cm and 400 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
Options
(a) convex, +2.25 D
(b) concave, -0.25 D
(c) concave, -0.2 D
(d) convex, +0.15 D
Correct Answer:
concave, -0.25 D
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following bonds produces a solid that reflects light in the visible region
- A stone of mass 1 kg tied to a light inexensible string of length L=10/3 is whirling
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- With the decrease of current in the primary coil from 2 amperes to zero value
- Potential at a point x-distance from the centre inside the conducting sphere
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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