paopaw
Some practical uses for concave and convex mirrors are in medical instruments, car mirrors, and telescopes.
Car headlamps use parabolic mirrors to concentrate and focus the light in one direction. Without these mirrors, one would either waste the undirected light or the light would shine in all directions, which would blind the driver.
There are some meaning on the term " concave up". However, in most cases, a concave is a hallow curve. A half circle with an opening is also a concave. Concave up means to concave somethings.
there are three main types of mirror- 1-flat=normal mirror 2-convex=outward 'bulge' type commonly used in shops for security-gives wide field of view.also on some motor vehicles, usually door mirrors. 3-concave=as the name suggests in facing 'bulge' (as in cave-makes it easy to remember this way)used to concentrate the light to a focal point-used in some telescopes. concave,convex or combinations of both are used in 'fun house' exhibits to radically distort images of the viewer.
Peepholes such as in hotel rooms
Some practical uses for concave and convex mirrors are in medical instruments, car mirrors, and telescopes.
Some convex mirrors are used for magnification... such as those you might see at a make-up counter in the store. Concave mirrors are used in stores. They're put up in the corners so that a large area can be seen that would otherwise be out of view. The also have very specified uses for bouncing lazers and those sorts of applications.
Mirrors in flashlights and headlights, mirrors for shaving or make up. A mirror to make objects look bigger.
pachou
Painter walls, glass items (Windows, glass tables etc), tiles, plaster Etc. are many surfaces you can stick the command strips to. Practical applications could be to use them to organize your house. You can use them hang items, such as pictures, decorations, mirrors or even your car keys!
There are many practical applications of environmental geology. Some applications include studying changes in the Earth's surface and managing natural hazards.
pachou
You can buy cheap concave mirrors from various places. Some of the best and most convenient stores to buy them from are Alibaba, Amazon, Galaxy Optics, and Pegasus Optics.
some applications are floatings of ships, submarines, icebergs,man,fish and rising of balloons
Communications research is used by many companies to find out how to communicate with the people of the country. Some practical applications include television, radio, and journalism
Yes if it was not practical it was not there. You can see the real life use on this link http://www.intmath.com/Applications-differentiation/Applications-of-differentiation-intro.php
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