| ⇦ | 
| ⇨ |
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:
- A charged particle with a velocity 2×10³ ms⁻¹ passes undeflected through electric field
- Match the following columns about collision
- A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- Which radiations are used in tratement of muscles ache?
- An astronomical telescope arranged for normal adjustment has a magnification of 6.
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply