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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
- A source is moving towards an observer with a speed of 20 m/s and having frequency
- In a potentiometer experiment, the balancing with a cell is at length 240 cm.
- In producing chlorine through electrolysis 100 watt power at 1125 V is being
- A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected
- The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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