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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 electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
- An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
- A body is rolling down an inclined plane.If KE of rotation is 40% of KE in a translatory
- If in an experiment for determination of velocity of sound by resonance tube
- Which one of the following is not a unit of young’s modulus?
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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