Convex lenses, also known as converging lenses or positive lenses, are thicker in the middle. Rays of light passing through a convex lens are focused or drawn near. There are various uses of convex lens such as in microscopes, magnifiers, cameras, presbyopia correction, etc. A convex lens is a converging lens. Therefore, when parallel light rays pass through the lens, the refracted rays will converge at a point, called the principal focus. Read about science projects in school.
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The angle at which the light ray enters the convex lens depends on the distance from the object to the lens. The image formed by a convex lens is a real image. Some of the uses of the convex lens are described in the following points. One of the most direct and understandable uses of convex lens is in magnifying glasses. When light rays enter the convex lens of a magnifying glass, they converge to a specific focal point in front of the center of the lens. When the magnifying glass is at the optimal distance. The focus will be on the subject, so the maximum magnification of the subject will be created. A person can become farsighted or nearsighted because the lens cannot focus light properly on the retina. The lens of a person with farsightedness focuses on images far away from the retina. As a result, it is difficult for the person to focus on objects close to the eyes. A convex lens when placed in front of the eye bends the light ray, shortening the focal point, and focusing the light on the retina appropriately.
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