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Both concave and convex lenses are used in glasses; A microscope, like a reflecting telescope, uses a concave mirror, a plane mirror, and a convex lens; A refracting telescope uses two convex lenses to magnify images in the sky; binoculars use concave lenses to improve detail.

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13y ago
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13y ago

A concave lens can be used for magnifying glasses and glasses to correct nearsightedness.

EDIT: Magnifying glasses use convex lenses, as those lenses ENLARGE objects.

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12y ago

An instrument that uses convex lenses are cameras and microscopes.

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11y ago

some cameras have it

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13y ago

Peepholes such as in hotel rooms

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14y ago

inside of a spoon.

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Q: List two uses for concave lens?
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Related questions

How are reflecting and retracting telescopes different?

A reflecting telescope is different from a refracting telescope because a reflecting telescope uses a concave lens, a plane mirror, and a convex lens. While a refracting telescope uses two lens.


What are the two different shapes of a lens?

Convex and concave


Is concave lens thicker than convex lens?

You can't directly compare the two classes of lenses like that.What you can say is:-- The middle of a convex lens is thicker than the edge.-- The middle of a concave lens is thinner than the edge.One way to remember it: The middle of a concave lens is caved in.


What happens when concave and convex go together?

When concave and convex surfaces come together, they form a lens. The interaction of these two surfaces causes light to either converge (convex lens) or diverge (concave lens), which can be used in various optical devices like cameras, telescopes, and eyeglasses to focus or correct vision.


Difference between convex and concave lens?

A convex lens is thicker at the center and thinner at the edges, causing light rays to converge to a focal point. This type of lens is often used in cameras and binoculars. On the other hand, a concave lens is thinner at the center and thicker at the edges, causing light rays to diverge. Concave lenses are commonly used in correcting nearsightedness.


What are two uses for a convex lens?

Concave lenses are used in glasses for people who are near-sighted. Convex lenses are used in glasses for people who are far-sighted.


What are the two example uses of concave lens?

a peep hole, such as you'd find in the door of a hotel room, uses a concave lens to make the image of the person standing in the hallway appear smaller than they actually are.Glasses for nearsighted people.


What are two possibilities for an image formed by an convex lens?

a convex lens is thicker in the center then at the edges. A convex lens acts like a concave mirror, because it focuses rays of light.


Why Describe two ways using convex and concave lenses to form and image that is smaller the the object?

Using a convex lens: When an object is placed between the focal point and the convex lens, the image formed will be virtual, upright, and smaller in size. Using a concave lens: Placing an object further away from the concave lens than its focal point will result in an image that is virtual, upright, and smaller than the object.


What has two lenses called the eyepiece lens and objective lens?

A microscope has two lenses called the eyepiece lens and the objective lens. The objective lens is closest to the object being viewed and magnifies it, while the eyepiece lens further magnifies the image formed by the objective lens for viewing by the observer.


Two uses for concave lenses?

Glasses and a peep hole you find in your door


What uses a lens and two mirrors?

Reflecting TelescopeA reflecting telescope uses a lens and two mirrors. The lens is positioned at the eyepiece, and thus the focus, which the two mirrors generated by specifically redirected light. There are two types of reflecting telescopes with one lens and two mirrors, the Newtonian Focus and the Cassegrain Focus.