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What is a piece of clear material that is thinner in the middle and thicker around the edges?
Wiki User
∙ 11y ago
Concave lens
Wiki User
∙ 11y ago
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What is a piece of material that is thinner in the middle and thicker around the edges?
Concave lens
Convex lenses are in the middle and at the edges?
thicker, thinner
What is a concave lens?
A lens that is thinner in the middle and thicker at the edges is called a concave lens.
Is a contact lens a diverging or a converging lens?
They can be either. They will converge if thicker in the middle than edges, and diverge if thinner in the middle than edges.
A piece of clear material that is thicker in the middle that the edges?
A Convex Lens
What type of glass lenses are fatter in the middle than at the edges called?
Convex lens are thicker in the middle. Concave lens are thinner in the middle.
What is the difference between a concave and convex lens?
Convex lenses are thicker in the middle than at the edges. They refract toward the center. Only people have convex lenses. Concave lenses are used in telescopes and glasses. Concave lenses are thinner in the middle than at the edges. When light passes through concave lenses always bend away from each other toward the edges of the lens.A convex or "positive" lens is thicker in the middle and thinner at the edges. A concave, or "negative" lens is thinner at the middle and thicker at the edges. Convex lenses project a real image behind the lens; concave lenses project a virtual image in front of the lens.
What causes light rays to bend inward and objects look bigger or an image is formed?
because of the lenses it is thicker in the middle thinner on edges
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.
Concave and convex glasses?
Glasses may have convex or concave lenses, depending on the needs of the wearer. A lense for correcting myopia (near-sightedness) is concave, being thinner in the middle than at the edges. A lense correcting hyperopia (farsightedness) is convex, buldging in the middle and becoming thinner toward the edges.
Where is ice thickest in the middle or outside of a lake?
ice is generally thicker in the middle of the lake once the lake completely freezes, as the edge of the land at the edge of the lake warms the waters edge making it thinner ice.
What is a difference between a concave and convex lens?
A concave lens is a lens in which the ends are thicker than the middle, rather shaped like this ---> )( A convex lens is a lens in which the ends are thinner than the middle, shaped like the following ---> ()
