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The Physics Teacher -- September 2011 -- Volume 49, Issue 6, pp. 357

Optics Demonstration with Student Eyeglasses Using the Inquiry Method

Mark C. James

Northern Arizona University, Flagstaff, AZ

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A favorite qualitative optics demonstration I perform in introductory physics classes makes use of students' eyeglasses to introduce converging and diverging lenses.1 Taking on the persona of a magician, I walk to the back of the classroom and approach a student wearing glasses. The top part of Fig. 1 shows a glasses-wearing student who is farsighted in her left eye and has a slight astigmatism in her right eye.

© 2011 American Association of Physics Teachers

Article Outline

  1. Observing eyeglass prescriptions

KEYWORDS and PACS

Keywords

ophthalmic lenses, optics, student experiments

PACS

  • 01.50.My

    Demonstration experiments and apparatus

  • 42.79.Bh

    Lenses, prisms and mirrors

PUBLICATION DATA

ISSN

0031-921X (print)  

Publisher

$abstract.society.value is a Member of CrossRef American Association of Physics Teachers

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1119/1.3628264

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