Science Fair Project Encyclopedia
Focal point
A focal point may mean the same as focus.
Elements of an antenna:
- driven element
- parasitic element.
The driven element is directly connected to the transmission line or source.
In mathematics, focal point has a meaning of a critical point of a distance function.
In terms of light and optics, the focal point is the point in which all the rays of light meet after passing through a convex lens, or reflecting off of a concave mirror.
03-10-2013 05:06:04
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details