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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
- The valence band and the conductance band of a solid overlap at low temperature
- If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit
- A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m².
- The earth is assumed to be a sphere of radius R. A platform is arranged at a height R
- The impurity atoms with which pure silicon may be doped to make it a p-type
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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