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A person cannot see the objects clearly placed at a distance more than 40 cm. He is advised to use a lens of power
Options
(a) -2.5 D
(b) 2.5 D
(c) -6.25 D
(d) 1.5 D
Correct Answer:
-2.5 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 a magnet is suspended at an angle 30⁰ to the magnetic meridian, the dip needle
- A hollow sphere of charge does not produce an electric field at any
- The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index
- A wire carrying current I has the shape as shown in adjoining figure. Linear parts
- Two identical thin plano-convex glass lenses (refractive index 1.5) each having
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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