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Byju's Answer
Standard X
Physics
Myopia
A person with...
Question
A person with myopia can use ______ lens for correction of vision.
A
convex
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B
concave
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C
cylindrical
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D
plane
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Solution
The correct option is
B
concave
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Similar questions
Q.
A person needs a lens of power, −5.5 D for correcting his distant vision. For correcting his near vision, he needs a lens of power, + 1.5 D. What is the focal length of the lens required for correcting:
(a) distant vision?
(b) near vision?
What type of lens is being used for correcting (i) distant vision, and (ii) near vision?
Q.
You know that myopia is a common refractive defect of vision. Person with this defect can see only nearby objects. Using concave lens of suitable power this defect is corrected.
(a) Mention other two types of defects like this.
(b) Explain how we can correct it.
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A person is advised to use a lens of power +2 D for correcting his vision. Identify the defect of vision, and find the focal length of the lens.
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To read a poster on a wall, a person with defective vision needs to stand at a distance of
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. Which one of the following lens may be used to correct the defective vision?
Q.
A person needs a lens of power -5.5 diopters for correcting his distant vision. For correcting his near vision he needs a lens of power +1.5 diopters. What is the focal length of the lens required for correcting (i) distant vision (ii) near vision?
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