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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 particle is dropped from a building. It takes 4 sec for the particle to reach the ground
- A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
- The tension in a piano wire is 10 N. What should be the tension in the wire to produce
- In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series
- A short magnet of magnetic moment M, is placed on a straight line. The ratio
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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