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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
- If h is planck’s constant and λ is wavelength, h/λ has dimensions of
- A lens having focal length f and aperture of diameter d forms an image of intensity I
- A particle covers half of its total distance with speed v1 and the rest half distance
- The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
- If alternating source of primary coil on transformer is replaced by a Laclanche cell
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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