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In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens. Learn about and revise lenses, images, magnification and...
Convex lenses are also known as converging lenses since the rays converge after falling on the convex lens. The concave lens are known as diverging lenses, as the rays diverge after falling on the concave lens. In this article, we will learn about image formation by concave and convex lenses.
- 50 min
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Such a lens is called a converging (or convex) lens for the converging effect it has on light rays. An expanded view of the path of one ray through the lens is shown, to illustrate how the ray changes direction both as it enters and as it leaves the lens.
A convex lens or converging lens focuses the light rays to a specific point, whereas a concave lens or diverging lens diverges the light rays. A lens is a transparent material (either curved or flat surface) based on the principles of refraction.
- 1 min
convex lens: A lens having at least one convex surface, such that light passing through it, may be brought to a focus. concave lens : A lens having at least one concave surface, such that light rays passing through it bend away from its optical axis.
Feb 27, 2024 · A lens is a piece of equipment that forms an image by refracting light. There are two types of lens: Convex. Concave. Convex Lenses. In a convex lens, parallel rays of light are brought to a focus. This point is called the principal focus. This lens is sometimes referred to as a converging lens.
Jan 23, 2023 · The analog to a convex mirror, is a diverging lens, also known as the concave lens, because of its shape shown below. When incoming parallel rays refract through a concave lens, they diverge away from each other on the other side of the lens.
