ERIC Number: EJ1211120
Record Type: Journal
Publication Date: 2019-Apr
Pages: 1
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0031-921X
EISSN: N/A
A Scientific Mystery
Greenslade, Thomas B., Jr.
Physics Teacher, v57 n4 p221 Apr 2019
The Phantom Bouquet is a venerable lecture demonstration that does a fine job of showing how a concave spherical mirror can form a real, inverted image. In the original demonstration, a brightly illuminated artificial rose is hung by its stem in front of a concave spherical mirror. The distance from the reflecting surface to the rose is somewhat more than the focal length of the mirror (which is twice the radius of curvature). The reinverted real image of the rose seems to be suspended in space, but to complete the illusion, a vase filled with water is placed at the same plane as the image, and the rose appears to be placed in the vase. I set this up at the end of the lecture bench for the students to see as they came into the classroom.
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail: pubs@aapt.org; Web site: http://aapt.scitation.org/journal/pte
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A