Question

Write any three applications of lenses.
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Answer 1

Answer:

A concave lens is also called as a negative lens or a diverging lens. There are numerous uses of the concave lens, like in telescopes, cameras, lasers, glasses, binoculars, etc.

Explanation:

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Answer 2

Answer:

Convex lenses are used to correct farsighted vision problems. Similarly, concave lenses are used to correct nearsightedness. Compound microscopes and telescopes use both convex and concave lenses. Using combinations of convex lenses may create blurry images.