| ⇦ | 
| ⇨ |
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 and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- The optical path of a monochromatic light is same if it goes through 4.0 cm
- A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- The optical path of a monochromatic light is same if it goes through 4.0 cm
- A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown
- Electrons in a certain energy level n=n₁, can emit 3 spectral lines. When they
- Light propagates rectilinearly because of its
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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