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published by the Designmate
This eight-minute video explains the principles of convex lenses by blending video, animation, and still images. It segments the convex lens into pieces, much like one sees in an optical bench -- triangular prisms at top and bottom, trapezoidal prisms adjacent, and a rectangular prism in the precise middle. Animated ray diagrams show clearly how light refracts at both edges of the convex lens, and bend toward the principal axis. The animation depicts 3 fundamental actions of convex lenses:  1) A ray traveling parallel to the principal axis passes through the principal focus, 2) A ray traveling through the focus will emerge parallel to the principal axis, and 3) A ray traveling through the optical center will emerge undeviated.

Please note that this resource requires Flash.
Editor's Note: Designmate is a designer of eContent for K-12 education specializing in 3D and animation to simplify concepts. This particular video is one of a small collection offered for free download. Designmate has been the recipient of multiple awards, including the World Summit Award, Worlddidac Award for eLearning, and winner of CSR (Best Corporate Social Responsibility Practice).
Subjects Levels Resource Types
Education Foundations
- Learning Theory
= Cognitive Modeling
= Representations
Optics
- Geometrical Optics
= Refraction - Flat Surfaces
= Straight Line Propagation
= Thin Lens
- High School
- Instructional Material
= Activity
= Curriculum support
- Audio/Visual
= Movie/Animation
Appropriate Courses Categories Ratings
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- New teachers
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Intended Users:
Learner
Educator
Format:
application/flash
Access Rights:
Limited free access
Some videos are available for free download; most are available for subscribers only.
Restriction:
© 2012 Designmate
Keywords:
convergence, converging lens, convexity, focal point, optical devices, ray diagrams, ray optics
Record Creator:
Metadata instance created April 15, 2014 by Caroline Hall
Record Updated:
October 14, 2014 by Caroline Hall
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(Designmate, Ahmedabad, 2012), WWW Document, (https://www.youtube.com/watch?v=R-uMcngNsSk).
AJP/PRST-PER
Designmate: Converging Lenses, (Designmate, Ahmedabad, 2012), <https://www.youtube.com/watch?v=R-uMcngNsSk>.
APA Format
Designmate: Converging Lenses. (2012). Retrieved November 27, 2014, from Designmate: https://www.youtube.com/watch?v=R-uMcngNsSk
Chicago Format
Designmate. Designmate: Converging Lenses. Ahmedabad: Designmate, 2012. https://www.youtube.com/watch?v=R-uMcngNsSk (accessed 27 November 2014).
MLA Format
Designmate: Converging Lenses. Ahmedabad: Designmate, 2012. 27 Nov. 2014 <https://www.youtube.com/watch?v=R-uMcngNsSk>.
BibTeX Export Format
@misc{ Title = {Designmate: Converging Lenses}, Publisher = {Designmate}, Volume = {2014}, Number = {27 November 2014}, Year = {2012} }
Refer Export Format

%T Designmate: Converging Lenses
%D 2012
%I Designmate
%C Ahmedabad
%U https://www.youtube.com/watch?v=R-uMcngNsSk
%O application/flash

EndNote Export Format

%0 Electronic Source
%D 2012
%T Designmate: Converging Lenses
%I Designmate
%V 2014
%N 27 November 2014
%9 application/flash
%U https://www.youtube.com/watch?v=R-uMcngNsSk


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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