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Convex lens are plus lenses, while concave lens are minus lenseses.

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15y ago

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When is a lens plus or minus?

A lens is plus when it is convex like a magnifying lens. These are used as reading glasses and can be bought without a prescription in the USA. Minus is concave and are far seeing at a distance. They are prescribed in the USA.


What kind of lens does a projector use?

projector have concave or convex


Why a convex lens is called converging lens?

when a beam of light is passed through the convex lens it converges the beam of ligth.hence convex lens is called a converging lens.


Why a convex lens is called a converging lens?

when a beam of light is passed through the convex lens it converges the beam of ligth.hence convex lens is called a converging lens.


Why is a convex lens called a converging lens?

when a beam of light is passed through the convex lens it converges the beam of ligth.hence convex lens is called a converging lens.


Is the human eye has a double convex or a plano convex lens?

The human eye has a double convex lens in the cornea (outermost layer) and a bi-convex lens in the crystalline lens inside the eye.


Which of the following lenses is a converging lens A double-convex lens B spherical-convex lens C plano-concave lens D convexo-concave lens?

Double-convex lens


Is a fish-eye lens convex?

Yes. Because convex lens produce real image.. so Fish eye has convex lens


What do convex lens look like?

Convex lens curve outwards.


Which type of lens magniies - convex or concave?

A convex lens magnifies.


Do flashlights have convex or concave lens?

Flashlights typically have a convex lens. A convex lens is thicker in the middle and thinner at the edges, which helps to converge the light rays and create a focused beam.


What lens is a converging lens double-convex spherical-convex plano-concave or convexo-concave lens?

A converging lens is also known as a magnifying lens. The shape of the lens is a double convex shape.