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Astigmatism is corrected by using
Options
(a) cylindrical lens
(b) plano-convex lens
(c) plano-concave lens
(d) convex lens
Correct Answer:
cylindrical lens
Explanation:
In this defect, eye cannot perpendicular directions clearly that is horizontal and vertical lines simultaneously. It is due to imperfect spherical nature of eye lens. This defect can be removed by using cylindrical lenses.
Related Questions: - If the angle of minimum deviation is 60° for an equilateral prism, then the refractive
- An Electric charge does not have which of the following properties?
- An ideal gas is compressed to half its initial volume by means of several processes.
- Pascal-second has the dimensions of
- Two resistors of resistances 2Ω and 6Ω are connected in parallel.
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the angle of minimum deviation is 60° for an equilateral prism, then the refractive
- An Electric charge does not have which of the following properties?
- An ideal gas is compressed to half its initial volume by means of several processes.
- Pascal-second has the dimensions of
- Two resistors of resistances 2Ω and 6Ω are connected in parallel.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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