Helping San Diego, California and beyond since 1997.
Do you need
volunteer, community service, work, military or court hours?
|
|
Helping San Diego, California and beyond since 1997.
|
|
Click here and add this page to your favorites!
|
Encyclopedia Britannica - Main :: COM-COR |
|
|
CONVEX MIRROR Position of Object
Character of Image.to Between co and A A The above discussion of spherical mirrors assumes that the mirror has such a small aperture that the reflected rays from any point unite in a point. This, however, no longer holds when the mirror has a wide aperture, and in general the reflected rays envelop a caustic
object
section an ellipse, which is so placed that the object and image are at its foci. This follows from a property of the curve, viz. the sum of the focal distances is constant
axis
focus ; or, inversely, rays from a source placed at the focus are converted into a parallel beam; hence the use of this mirror in search
lights
End of Article: CONVEX If you wish, you can link directly to this article.
<a href="http://jcsm.org/StudyCenter/Encyclopedia/COM_COR/CONVEX.html"> CONVEX </a> |
|
|
(Previous) CONVERSION (Lat. conversio, from convertere, to... |
(Next) CONVEYANCE |
|
Sponsored Advertisements