Foundation
Physics Foundation
Human Eye And Colorful World
refraction from lens
Refraction and parallel slab
Question
Give reasons : A concave lens is used to correct myopia.
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Solution
In a myopic eye, the image of a distant object is formed in front of the retina and not at the retina itself. A concave(diverging) lens causes light rays to diverge before they strike the lens of the eye so that the image is formed on the retina. Hence, a concave lens is used to correct myopia.
