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published by the Exploratorium
Try this activty from the Exploratorium to see total internal reflection. You'll use an aquarium to illustrate how a transparent material like water can act as a reflector.  The site provides a thorough description of what to do, an explanation of what is happening, including the critical angle, and examples of its applications to optical fibers.
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- Geometrical Optics
- Modern Optics
= Lasers
- High School
- Middle School
- Informal Education
- Instructional Material
= Activity
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Access Rights: Free access
Restriction: Has a copyright or other licensing restriction.
Keywords: critical angle, light, reflection, refraction, total internal
Record Creator: Metadata instance created June 14, 2006 by Ann Deml
Record Updated: Aug 02, 2016 by Lyle Barbato
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AIP Format
(Exploratorium, San Francisco), WWW Document, (
Critical Angle (Exploratorium, San Francisco), <>.
APA Format
Critical Angle. (n.d.). Retrieved June 19, 2024, from Exploratorium:
Chicago Format
Exploratorium. Critical Angle. San Francisco: Exploratorium. (accessed 19 June 2024).
MLA Format
Critical Angle. San Francisco: Exploratorium. 19 June 2024 <>.
BibTeX Export Format
@misc{ Title = {Critical Angle}, Publisher = {Exploratorium}, Volume = {2024}, Number = {19 June 2024}, Year = {} }
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%T Critical Angle %I Exploratorium %C San Francisco %U %O text/html

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%0 Electronic Source %T Critical Angle %I Exploratorium %V 2024 %N 19 June 2024 %9 text/html %U

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