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thicker at the edges that in the middle
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What describes a Concave lens?
thicker at the edges that in the middle
What is the term that describes an eye in which the natural lens has been replaced with an intraocular lens?
The term for an eye in which the natural lens has been replaced with an intraocular lens is "pseudophakic eye."
What term best describes how light interacts with a lens?
refraction
A tree is located between a convex lens and its focal point. Which answer describes the image of the tree formed by the lens?
The image of the tree formed by the convex lens is virtual, upright, and magnified.
Which property of the lens describes its ability to show two adjacent objects as a discrete entities?
The property of a lens that describes its ability to show two adjacent objects as discrete entities is resolution. Resolution refers to the lens' ability to distinguish two closely spaced objects in an image, which is influenced by factors like the lens quality and aperture size.
What is the refractive index of a lens?
The refractive index of a lens describes how much the lens bends light as it passes through it. It quantifies how much the speed of light changes as it enters and exits the lens material. The refractive index varies depending on the type of material the lens is made of.
What is the thin lens equation?
The thin lens equation is a relation that describes how the distance of an object from a thin lens, the distance of the image from the lens, and the focal length of the lens are related. The equation is given by 1/f = 1/do + 1/di, where f is the focal length of the lens, do is the object distance, and di is the image distance.
Which best describes a convex lens?
A convex lens is a lens that is thicker in the center than at the edges. It converges light rays that pass through it, bringing them together at a focal point. This type of lens is commonly used in cameras, eyeglasses, and magnifying glasses.
Which property of the lens describes its ability to show two adjacent objects as discrete entities?
The property of the lens that describes its ability to show two adjacent objects as discrete entities is resolution. Resolution refers to the ability of the lens to distinguish between two adjacent objects and present them as separate and distinct entities in the image.
What is bcor in contact lenses?
The base curve is the radius of the sphere of the back of the lens that the prescription describes.
What does 18-200mm f mean?
That describes a telephoto lens with the lower and upper focal lengths.
What does the term convex mean when one talks about convex lens?
Convex is an adjective that describes something has a surface or boundary that curves or bulges outward. Convex lens are thicker at the center, they do cause light to converge.
