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The near point and far point of a person are 40 cm and 250 cm, respectively. Determine the power of the lens he/she should use while reading a book kept at distance 25 cm from the eye.
Options
(a) 2.5 D
(b) 5 D
(c) 1.5 D
(d) 3.5 D
Correct Answer:
1.5 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 magnetic field at a point on the axis of a long solenoid having 5 turns per cm
- A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected
- A wire is suspended vertically from one of its ends is stretched by attaching a weight
- The unit of permitivity of free space, ε₀ is
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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