Why concave lens are used for nearsighted spectacle?
Answers
Answered by
3
Because they are diverging lenses and diverge the much converged rays for correction of myopia
Answered by
3
Concave Lenses Are for the Nearsighted, Convex for the Farsighted. Concave lenses are used in eyeglasses that correct nearsightedness. ... Placing concave lenses in front of a nearsighted eye reduces the refraction of light and lengthens the focal length so that the image is formed on the retina.
Similar questions