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A person cannot see the objects clearly placed at a distance more than 40 cm. He is advised to use a lens of power
Options
(a) -2.5 D
(b) 2.5 D
(c) -6.25 D
(d) 1.5 D
Correct Answer:
-2.5 D
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A beam of light contains two wavelengths 6500Å and 5200Å.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A beam of light contains two wavelengths 6500Å and 5200Å.
- Carbon,silicon and germanium have four valence electrons each. At room temperature
- Four blocks of same mass connected by cords are pulled by a force F
- A thin and circular disc of mass M and radius R is rotating in a horizontal plane
- The radius of a nucleus of mass number A is directly proportional to
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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