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Curve : Convex lenses are curved inward. Lenses are transparent objects with a curved surface. In a far-sighted person, the light is focused behind the retina. The main difference between convex lens and the concave lens is that the light rays which are passing through the convex lens will merge at a particular point known as a focal point while concave lens will diverge the light rays around that are passing through it. A convex lens is used to treat hyperopia or farsightedness. In the convex lens, the curve is outward facing, whereas, in the concave lens, the curve faces inward. Therefore, the image created by a concave lens is always a virtual image rather than a real image. It is thinner in the middle and thicker at the edges. (regardless of the object's position), Real , inverted, smaller than object, - object at F, Real , inverted, same size as object, - object at 2F, Real , inverted, larger than  object, object between 2F and F, Virtual, upright, larger than object – behind object on the same side of the lens. Keywords Related to the Lens. Privacy, Difference Between Convex and Concave Mirror, Difference Between Real Image and Virtual Image, Difference Between Reflection and Refraction, Difference Between Rotation and Revolution. Convex lens refers to the lens which merges the light rays at a particular point, that travels through it. The focal length of a convex lens is positive, while that of a concave lens is negative. Convex lenses round outward and cause light rays to converge. they spread out. But before that, let’s understand the main keywords related to these lenses. Key Difference: Concave and convex are two basic types of lenses.A convex lens focuses light rays, whereas a concave lens causes the light rays to diverge. These lenses can either be the concave and convex lens. In contrast, the concave lens proves helpful in the treatment of myopia or shortsightedness. But before that, let’s understand the main keywords related to these lenses. The disparity between concave and convex lenses will clearly be understood when contemplating the concave lens internally. Therefore, it diverges the light rays. We will discuss here the difference between concave and convex lenses. Concave lens are used in movie projectors to cause the image to spread. When object place btwn Pole and Focus.. Also, we will learn about the types of lenses, and different types of images formed by these lenses. Conversely, the concave lenses are thinner at the centre and thicker at its edges, in structure. Light that passes through a convex lens can be focused on a surface like a screen. Thinner at the center as compared to its edges. Your email address will not be published. A concave lens can form both virtual and real image because the parallel rays passing through the lens spread as they leave the lens. Convex means “curved or rounded like the outside of a sphere or circle”. Key Difference: Concave is used to describe any entity having an outline that curves inwards.On the other hand, convex is used to describe an entity having an outline or surface that bulges out. They work on the principles of refraction, as they change the direction of light waves by refraction. The crucial difference between concave and convex lens is that a concave lens diverges the light rays that incident on its surface. Concave lens can be identified as the lens which disperses the light rays around, that hits the lenses. Contents of the page. The lens which disperses the light rays around, that hits the lenses, are called a concave lens. Used for the correction of problem in short sight. Difference Between Concave and Convex Lens Concave and Convex are two types of lenses that possess variation in physical shape as well as their properties. Due to the law of refraction, light rays bend as they enter and leave the lens. Lens has the capability of focusing and refracting light rays in a certain manner. The lens of a normal eye is a double convex lens. A convex lens enables a thing to look bigger than its actual size. Both of them have numerous uses. They produce real images, and therefore are mainly used in various optical instruments. Lens is composed of translucent material which is responsible for image establishment after converging or diverging from that translucent material. Difference between Concave and Convex lens A lens is an optical device that converges or diverges a ray of light by means of refraction. microscope, simple telescope, glasses (to correct for long sight), magnifying glass, etc. To its edges polygons, etc therefore, the curve is outward facing,,... Lens diverges the light rays that incident on its surface with convex lens in tabular form light is focused the. Important differences between convex and concave lens is composed of translucent material we learn. One point used to correct Long-Sightedness or Hypermetropia to converge the light rays at a particular point that. They converge ) that passes through a convex lens is like, thicker at its edges in! You are a human visitor and to prevent automated spam submissions a double convex lens difference between convex and concave lens curved rounded... They leave the lens or rounded like the outside of a convex lens is used to Long-Sightedness... 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Compared to its edges as they enter and leave the lens which disperses the light is focused behind the....

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