A lens with one convex and one concave side is convex-concave or meniscus. When parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.. Uses of Concave Lenses 1.Concave lenses are used for correcting myopia or short-sightedness. A convex lens is a converging lens.. This discussion on 5 uses of concave and convex lens in our daily life is done on EduRev Study Group by Class 7 Students. Convex lenses: Providing magnification - reading glasses, magnifying glass, etc. Used in binoculars. In a ray diagram, a convex lens is drawn as a vertical line with outward facing arrows to indicate the shape of the lens. It is this type of lens that is most commonly used in corrective lenses . Convex lenses are used for focusing light rays to make items appear larger and clearer, such as with magnifying glasses. The Questions and Answers of 5 uses of concave and convex lens in our daily life are solved by group of students and teacher of Class 7, which is also the largest student community of Class 7. Uses of Convex Lenses 1.Uses in spectacles to correct the defect of vision called hypermetropia or long sightedness 2.Used for making a simple camera 3.Used as magnifying glasses 4.Used in microscopes, telescopes, film projectors, etc. Concave lenses are used to treat myopia. Concave lenses are used for correcting myopia or short-sightedness. Used in telescops to give a sharp image 4. 2. Convex and concave lenses. If the lens is biconvex or plano-convex, a collimated beam of light passing through the lens converges to a spot (a focus ) behind the lens. Rays of light that pass through the lens are brought closer together (they converge). (these lenses diverge ligh so that we can see a larger portion) 3. Used in flashlights. The distance between the principal focus and the centre of the lens is called the focal length. Convex lenses are thicker at the middle. 1.
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