Question

uses of concave lens​

Answer 1

Explanation:

The concave lens is used to treat the problem of nearsightedness or myopia by diverging the light ray and making the clear image of the object on the retina. Lasers: Small concave lenses are used to widen the laser beam which occupies more area and makes the laser beam producing equipment work properly

Answer 2

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Concave lenses are used for including in eyeglasses and contacts, flashlights, peepholes, binoculars, telescopes, and in photography.

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