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published by the PhET
This interactive Flash application allows users to investigate the properties of converging lenses.  The index of refraction and the radius of curvature of the lens can be changed and thelens and object can be moved in two dimensions. This is part of a large collection of simulations freely available from the University of Colorado.

Please note that this resource requires Flash.
Subjects Levels Resource Types
- Geometrical Optics
= Thin Lens
- High School
- Lower Undergraduate
- Middle School
- Instructional Material
= Activity
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/flash
- text/html
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Additional Information
This resource was featured by the Physics Source collection from December 27, 2008 until January 27, 2010. View the feature here!
Physics To Go This resource was a Physics To Go feature from July 15, 2013 until August 1, 2013. View the feature here!

Access Rights: Free access
Restriction: © 2004 PHET and University of Colorado
Additional information is available.
Keywords: Light, Refraction, Vision, comvergent lens, convex lens, experiment simulation, image, interactive multimedia, lens, marginal ray, optics, principal ray, ray diagrams, real image, screen, virtual image
Record Cloner: Metadata instance created July 13, 2008 by Taha Mzoughi
Record Updated: Aug 18, 2016 by Lyle Barbato
Last Update
when Cataloged:
August 11, 2006
Other Collections:
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(PhET, Boulder, 2004), WWW Document, (
PhET Simulation: Geometric Optics (PhET, Boulder, 2004), <>.
APA Format
PhET Simulation: Geometric Optics. (2006, August 11). Retrieved April 15, 2024, from PhET:
Chicago Format
PhET. PhET Simulation: Geometric Optics. Boulder: PhET, August 11, 2006. (accessed 15 April 2024).
MLA Format
PhET Simulation: Geometric Optics. Boulder: PhET, 2004. 11 Aug. 2006. 15 Apr. 2024 <>.
BibTeX Export Format
@misc{ Title = {PhET Simulation: Geometric Optics}, Publisher = {PhET}, Volume = {2024}, Number = {15 April 2024}, Month = {August 11, 2006}, Year = {2004} }
Refer Export Format

%T PhET Simulation: Geometric Optics %D August 11, 2006 %I PhET %C Boulder %U %O application/flash

EndNote Export Format

%0 Electronic Source %D August 11, 2006 %T PhET Simulation: Geometric Optics %I PhET %V 2024 %N 15 April 2024 %8 August 11, 2006 %9 application/flash %U

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 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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