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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
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
- 180⁰ phase difference is obtained when light ray is reflected from
- A photon of energy 10.2 eV collide inelastically with hydrogen atom in ground state
- A steady current is passing through a linear conductor of non-uniform cross-section.
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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