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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.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Consider a two particle system with particle having masses m₁ and m₂. If the first
- The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio
- Rutherford’s α-scattering experiment concludes that
- Consider two nuclei of the same radioactive nuclide. One of the nuclei was created
- IF A⃗ and B⃗ are two vectors and θ is the angle between them
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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