Results for: Fresnel_lens

What type of lens is the lens of your eye?

The lens in the human eye is a convex lens, but it is flexible and  when it is acted on by the ciliary muscle around it, the lens can  be "flattened" to change the focus, or (MORE)
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What do fresnel lights do?

The fresnel lights have fresnel lenses that allow for the light to be softer. The fresnel lights also cast a very soft shadow and capture more of an oblique lighting.
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In Science

Which objective lens is also called the oil immersion lens?

It is the 100X lens. It magnifies the specimen 1000X (10X from the ocular lens times 100X from the objective lens) with the aid of oil.
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What is an arc lens?

ARC stands for Accurate Radius Curvature. The lens is thicker at the optical center and thins out toward the edges of the lens. This is better because when light waves from th (MORE)

What is a gradient lens?

  Answer   These lenses are darker at the top of the lens and get progressively lighter at the bottom. Lightly tinted versions of gradient lenses are used mainly in f (MORE)
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How did the lens get its name?

The lens on a microscope got their name from a lentil bean.(The lens on a microscope look like a lentil bean)
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What is a cylindrical lens?

A cylindrical lens is a type of lens in which one side is flat and the other side is curved either outward or inward so that it focuses light differently from other lenses. It (MORE)

What is lens paper?

  Lens paper is specially formulated material used to clean the lenses of a camera, of glasses, of microscopes, and of other sensitive optical equipment where cleaning mus (MORE)
In Physics

Can a convex lens behave as a concave lens?

yes...when the lens is immersed in a liquid whose refractive index is greater than that of the material of the lens, for example, an air bubble inside water....
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How are concave lens and convex lens different?

The convex lens bulges out at the center, while the concave lens bulges in at the center. The convex lens magnifies, while the concave lens reduces.
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