Mirrors - Spherical Reflectors



 

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 Code Number :   6A20.47 

Disclaimer:

Reprinted by permission of Dick Berg, University of Maryland, for use on this website.

The demonstrations contained and referenced herein are listed for the purposes of cataloging and describing physics demonstrations which should be conducted only under the direction of a trained instructional support professional or physicist. These demonstrations are not presented for the purpose of being conducted by persons unconnected to this Facility and/or persons not consulting with or being supervised by the recognized instructional support professional or physicist and his/her staff. The University is responsible only for those demonstrations carried out using its own equipment using established safety and scheduling policies, and bears no responsibility for those choosing to use this source material for their own purposes. All demonstrations described and contained herein are public domain, and can also be found in reference materials in libraries, bookstores, and electronic sources.

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Condition :   Excellent  
Principle :   Spherical Mirrors 
Area of Study :  Optics   
Equipment :   Lawn ornaments or Christmas tree balls in various arrays.

Procedure :   No set up is required.  The standard use of these is to put an object or point at one of the balls.  The image in all of the surrounding balls should be pointing to the initial ball.
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   Web Links

Eyeballs Java Applet:  http://www.asahi-net.or.jp/~FX6M-FJMY/java05e.html

 


   References

Jearl Walker, "The Distorted Images Seen in Christmas-Tree Ornaments and Other Reflecting Balls," The Amateur Scientist, (December, 1988).

 

91.1:  "Spherical Reflections," Exploratorium Science Snackbook.

Raymond Bruman,  "Spherical Reflections,"  Exploratorium Cookbook I.  p. 19.1 - 19.2.

Robert Ehrlich,  "Turning the World Inside Out,"  Turning the World Inside Out, p. 184-185.

 



Mail Questions and Comments to:  Dale Stille