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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
- Alternating current cannot be measured by D.C Ammeter because
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
- In Young’s double slit experiment, for which colour the fringe width is the least
- A piece of iron is heated in a flame. It first comes dull red then becomes reddish
- A rod of weight W is supported by two parallel knife edges A and B is in equilibrium
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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