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B. Person with hypermetropia - A concave lens is used to correct myopia by bringing the far point closer to the eyes. A concave lens is used to correct Hypermetropia by bringing the near point away from the eyes.
Explanation:
Concave Lens - is exactly the opposite with the outer surface curving inward which makes parallel light rays curve outward. It is thinner in the middle and thicker at the edges. They are also called diverging lenses. Concave lenses are used in projectors to make light rays spread out in a distance and also in flashlights.
Purpose of projector - A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. The purpose if this is to make kids learn easier and understand the lesson more. This will help them expand their imagination and knowledge.
Convex lens converges a straight beam of light. It enables a thing to look bigger than its actual size. It is also known as converging lens. Convex lenses are used in things like telescopes and binoculars to bring distant light rays to a focus in your eyes. It is also used in cameras because it focuses light and produces a clear and crisp image.
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