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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
- A pure semiconductor behaves slightly as a conductor at
- Find out the angle of projection, if range is 4 times of maximum height
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
- The force of repulsion between two electrons at a certain distance is F.
- A boy whirls a stone in a horizontal circle of radius 1.5 m and at height 2.0 m
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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