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Critical Angle
published by the Exploratorium
This website from the Exploratorium provides a demonstration of total internal reflection.  The activity uses a fish 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.
https://www.exploratorium.edu/snacks/critical-angle
Subjects Levels Resource Types
Optics
- Geometrical Optics
- Modern Optics
= Lasers
- High School
- Middle School
- Informal Education
- Instructional Material
= Activity
Intended Users Formats Ratings
- Learners
- Educators
- text/html
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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:
August 2, 2016 by Lyle Barbato
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(Exploratorium, San Francisco), WWW Document, (https://www.exploratorium.edu/snacks/critical-angle).
AJP/PRST-PER
Critical Angle (Exploratorium, San Francisco), <https://www.exploratorium.edu/snacks/critical-angle>.
APA Format
Critical Angle. (n.d.). Retrieved May 2, 2025, from Exploratorium: https://www.exploratorium.edu/snacks/critical-angle
Chicago Format
Exploratorium. Critical Angle. San Francisco: Exploratorium. https://www.exploratorium.edu/snacks/critical-angle (accessed 2 May 2025).
MLA Format
Critical Angle. San Francisco: Exploratorium. 2 May 2025 <https://www.exploratorium.edu/snacks/critical-angle>.
BibTeX Export Format
@misc{ Title = {Critical Angle}, Publisher = {Exploratorium}, Volume = {2025}, Number = {2 May 2025}, Year = {} }
Refer Export Format

%T Critical Angle %I Exploratorium %C San Francisco %U https://www.exploratorium.edu/snacks/critical-angle %O text/html

EndNote Export Format

%0 Electronic Source %T Critical Angle %I Exploratorium %V 2025 %N 2 May 2025 %9 text/html %U https://www.exploratorium.edu/snacks/critical-angle


Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.

Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.
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