Question

answer these qs please i am in hurry​

Answer 1

Q2.(b) write any two uses of lenses?

=>Uses. A single convex lens mounted in a frame with a handle or stand is a magnifying glass. Lenses are used as prosthetics for the correction of visual impairments such as myopia, hypermetropia, presbyopia, and astigmatism. (See corrective lens, contact lens, eyeglasses.)

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