give three examples of concave lens and convex lens.
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to collect light from a large area into a small area (as in a telescope)
to gather light from a point-like source and direct it outward in a beam (as with a headlamp, or spotlight)
to form an enlarged image when held close up (as in the case of a shaving mirror, a cosmetic mirror in a compact, or the small mirror that dentists and dental hygienists use to examine teeth).
to gather light from a point-like source and direct it outward in a beam (as with a headlamp, or spotlight)
to form an enlarged image when held close up (as in the case of a shaving mirror, a cosmetic mirror in a compact, or the small mirror that dentists and dental hygienists use to examine teeth).
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spectacles and galilean telescoes are examples of concave lens.magnifying glasses,reading glasses and camera lens are examples of convex lens.PLZ MARK AS BRAINLIEST
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