Question

write one use of convex and concave lenses​

Answer 1

Answer:

Curving inward, concave lenses cause light to spread out, resulting in a smaller image for the viewer. Despite being less useful than convex lenses, concave lenses have several uses, including in eyeglasses and contacts, flashlights, peepholes, binoculars, telescopes, and in photography.

Uses of convex lens are: 1) Convex lens is used in microscopes and magnifying glasses to subject all the light to a specific point. 2) Convex lens is used as a camera lens in cameras as they focus light for a clean picture. 3) Convex lens is used in the correction of hypermetropia.

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Answer 2

answer-a real-valued function defined on an dimensional interval is called convex.

concave-A concave lens is a lens that possesses at least one surface that curves inwards.