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What does the maths words concave and convex mean?
Convex . . . "curved out", like the outside of a balloon, the outside of a smooth hubcap, and the top of a half-eaten ice-cream cone. Concave . . . "curved in", like the top of the ice-cream in the tub after the first five cones have been scooped out, the mark a rock makes in snow, and the inside of a soup bowl.
How many flat or curved surfaces are on a lens?
It depends on the uses the lens are going to be put to. A lens may have a convex front and a flat back, or a convex front and a concave back, or even a convex surface on both front and back. Or even concave on both the front and back.Concave means bowed inwards.Convex means bowed outwards.
What is concave and convex?
The best example would be to take a metal spoon that is shiny. Look at the spoon so the curved part is facing away from you. The dip you can see is called Concave. The other side that protrudes is called Convex. When you look at the concave side your face will appear squashed, wider at the top and bottom but very narrow in the middle. When you look at the convex side, your face will appear wide and fatter, almost like a football. This is because of the light rays reflective at a different angle.
Is a square concave?
no because its not curved
Is a concave polygon a regular polygon?
No, a concave polygon cannot be a regular polygon.
What are the similarities and differences between concave and convex mirrors?
Definitions found on www.dictionary.com Concave: a curved like a segment of the interior of a circle or hollow sphere; hollow and curved Convex:having a surface that is curved or rounded outwardsBoth concave and convex mirrors are spherical mirrorsconcave mirrora spherical mirror whose reflecting surface is curved inwards is called a concave mirrorconvex mirrora spherical mirror whose reflecting surface is curved outwards is called a convex mirror
Is concave curved in or out?
concave=in convex=out
What is a mirror that is curved?
A mirror that is curved outward is convex. A mirror that is curved inward is concave.
What are the kinds of curve mirror?
There are two main types of curved mirrors: concave and convex. Concave mirrors curve inward, causing light rays to converge at a focal point, used in reflecting telescopes and shaving mirrors. Convex mirrors curve outward, causing light rays to diverge, commonly used in security mirrors and side-view mirrors.
What are the four kinds of curved lines?
There are actually five kinds of curved lines: convex, concave, S-shaped, scallop, and spiral.
What does convex mean in geography?
convex means in geography as something which is curved outward for example a hill is convex because it is curved outwardly and don't get confused in concave of hill because a hill never is concave a bowl is concave so convex is curved outwardly and concave is curved inwardly
What are curved mirrors?
Curved mirrors are mirrors that have a spherical side. example - concave and convex.
Is the eye concave or convex?
The eye itself is concave, meaning it is curved inward. The cornea and lens within the eye, however, are convex in shape.
Examples of concave and convex mirrors?
Convex means rounded or curved like the exterior of a circle or sphere. Also called as fish eye or diverging mirror. The mirror coating of the concave mirror is on the outside of the spherical surface. In concave mirrors, the center of curvature and the reflecting surface fall on the same side of the mirror.
Similarity between convex and concave?
both involve curved surfaces
In convex and concave mirrors which is diverge and which is converg?
A converging mirror is also referred to as a concave mirror. Its reflecting surface curves inwards and usually forms a virtual image. Whereas, a diverging mirror's reflecting surface is curved outwards and can form both real and virtual images.
Name two types of curved mirrors?
Concave mirrors and convex mirrors are two types of curved mirrors. Concave mirrors converge light rays to a focal point and can form real or virtual images. Convex mirrors diverge light rays and produce virtual, upright, and diminished images.
