6A20.35 - Mirrors - Image of a Quarter - Optic Mirage

Code Number:
6A20.35
Demo Title:
Mirrors - Image of a Quarter - Optic Mirage
Condition:
Excellent
Principle:
Concave, Convex Mirrors, Focal Lengths
Area of Study:
Optics
Equipment:
Optic Mirage in Wooden Box - (Quarter Demo), Coins and Small Animal Figures.
Procedure:

The quarter demo should need no advanced preparation.  Clean the mirrors when necessary and position the quarter so that the formed image is in the center of the hole.

References:
  • Thomas B. Greenslade Jr., "A Scientific Mystery", TPT, Vol. 57, #4, Apr. 2019, p. 221.
  • Maria Alicia Caussat, Hector Rabal, Mikiya Muramatsu, "The Levitating Buddha: Constructing a Realistic Cylindrical Mirror Pseudo Image", TPT, Vol. 44, # 7, Oct. 2006, p. 443. 
  • Heidi Strahm Black, "Trick of the Trade - The Real Image",  TPT, Vol. 36, #2, p. 96, Feb. 1998.
  • Terrence P. Toepker, 'Spherical Mirror Images of Dynamic Objects", TPT, Vol. 30, #4, Apr. 1992, p. 252.
  • Andrzej Sieradzan, "Teaching Geometrical Optics with the 'Optic Mirage'", TPT, Vol. 28, #8, Nov. 1990, p. 534.
  • R.D. Edge and Edwin R, Jones, Jr., "Optical Illusions", TPT, Vol. 22, #9 , Dec. 1984, p. 591.
  • R. Stuart Mackay, "Shine a Flashlight on an Image", AJP, Vol. 46, #3, Mar. 1978, p. 297.
  • Oc-7: Freier and Anderson, A Demonstration Handbook for Physics.
  • O-175: "Confocal Mirrors", DICK and RAE Physics and Demo Notebook.
  • Jearl Walker, "6.97, Sister Sapphire", The Flying Circus of Physics Ed. 2, p. 280.
  • Christopher P. Jargodzki and Franklin Potter, "45, Lighting an Image?", Mad About Physics, p. 16, 167.
  • Christopher P. Jargodzki and Franklin Potter, "44, Floating Image", Mad About Physics, p. 15, 166.
  • Raymond Bruman, "Parabolas", Exploratorium Cookbook I, p. 15.1 - 15.2.

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