6A60.35 - Magnifying Lenses

Code Number:
6A60.35
Demo Title:
Magnifying Lenses
Condition:
Good
Principle:
Lenses and Image Formation
Area of Study:
Optics
Equipment:
Magnifying Lenses.
Procedure:

Place the large magnifying lens in front of your face in the classroom.

References:
  • Mickey D. Kutzner and Samantha Snelling, "Measuring Magnification of Virtual Images Using Digital Cameras", TPT, Vol. 54, #8, Nov. 2016, p. 503.
  • Terrence P. Toepker, "Experimenting with Magnification", TPT, Vol. 48, # 9, December 2010, p. 564.
  • Christopher M. Graney, "Is Magnification Consistent?", TPT, Vol. 48, # 7, Oct. 2010, p. 475.
  • J. Gerard Anderson, "Matching Magnifiers", TPT, Vol. 39, #6, Sept. 2001, p. 325.
  • Barbara Andereck and Sherri Secrest, "The Magic Magnifier", TPT, Vol. 39, # 5, May 2001, p. 301.
  • Erlend H. Graf, "How Do You Use a Magnifying Glass?", TPT, Vol. 39, #5, May 2001, p. 298.
  • Pat Murphy, Ellen Macaulay, and the staff of the Exploratorium, "Lens Experiments", Exploratopia, p. 290.
  • Sara Stein, "Magnifications", The Science Book, p. 193.
  • Tik L. Liem, "Start A Fire With A Magnifying Glass", Invitations to Science Inquiry - Supplement to 1st and 2nd Ed. p. 78.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.