Physics-10th The Human Eye and the Colourful World CBSE Board 2025 Easy
An old person is suffering from an eye defect caused by weakening of ciliary muscles and diminishing flexibil…
An old person is suffering from an eye defect caused by weakening of ciliary muscles and diminishing flexibility of the eye lens. If the defect of vision is ‘a’ which can be corrected by lens ‘b’, then ‘a’ and ‘b’ respectively are :
- (a)hypermetropia and convex lens
- (b)presbyopia and bifocal lens
- (c)myopia and concave lens
- (d)myopia and bifocal lens
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