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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: - RMS velocity of gas is proportional to
- The Rutherford scattering experiment proves that an atom consists of
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- A car of mass m is moving on a level circular track of radius R
- A proton of mass m and charge q is moving in a plane with kinetic energy E. If there exists
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- RMS velocity of gas is proportional to
- The Rutherford scattering experiment proves that an atom consists of
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- A car of mass m is moving on a level circular track of radius R
- A proton of mass m and charge q is moving in a plane with kinetic energy E. If there exists
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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