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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: - The material suitable for making electromagnets should have
- A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
- A parallel plate air capacitor has capacity C, distance of seperation between plate
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The material suitable for making electromagnets should have
- A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
- A parallel plate air capacitor has capacity C, distance of seperation between plate
- A ship A is moving westwards with a speed of 10 km/h .The time after
- The minimum wavelength of X-rays produced in a Collidge tube operated
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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