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published by the Global Access Broadcasting
content provider: the Mindset Network
This 14-minute video is the third in a series on how light interacts with lenses to form images. Video 3 demonstrates how to draw a ray diagram when an object is placed at any position in front of a convex lens. In addition to narrated demonstrations, the resource shows animated ray diagrams alongside video insets depicting the actual phenomenon. The professional scripting, production, and editing serve to provide a much deeper learner experience than traditional lecture demonstrations. This video is one of a four-part series on light and images, developed to promote deep understanding of light and matter interactions. See Related Materials for links to the companion videos.

Please note that this resource requires Flash.
Editor's Note: This resource would be a good choice for a flipped lesson. How does a magnifying glass work? Does it produce a real or virtual image? How do we connect this with the object's position on the principal axis? How do we calculate magnification of a lens? The video does a remarkably nice job of incorporating animation, video, and narration to answer these questions.
Subjects Levels Resource Types
Education Practices
- Technology
= Multimedia
- Geometrical Optics
= Optical Instruments
= Straight Line Propagation
= Thin Lens
- High School
- Middle School
- Instructional Material
= Activity
= Tutorial
- Audio/Visual
= Movie/Animation
Appropriate Courses Categories Ratings
- Physical Science
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
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Intended User:
Access Rights:
Free access
This material is released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.
Rights Holder:
Mindset Network
convergence, convergence, convex lens, focal point, image formation, lens, ray diagram, real image, virtual image, vision
Record Cloner:
Metadata instance created April 14, 2014 by Caroline Hall
Record Updated:
April 15, 2014 by Caroline Hall
Last Update
when Cataloged:
September 28, 2010

Next Generation Science Standards

Disciplinary Core Ideas (K-12)

Electromagnetic Radiation (PS4.B)
  • When light shines on an object, it is reflected, absorbed, or transmitted through the object, depending on the object's material and the frequency (color) of the light. (6-8)
  • The path that light travels can be traced as straight lines, except at surfaces between different transparent materials (e.g., air and water, air and glass) where the light path bends. (6-8)
Information Technologies and Instrumentation (PS4.C)
  • Multiple technologies based on the understanding of waves and their interactions with matter are part of everyday experiences in the modern world (e.g., medical imaging, communications, scanners) and in scientific research. They are essential tools for producing, transmitting, and capturing signals and for storing and interpreting the information contained in them. (9-12)

Crosscutting Concepts (K-12)

Cause and Effect (K-12)
  • Cause and effect relationships may be used to predict phenomena in natural or designed systems. (6-8)
Systems and System Models (K-12)
  • Models can be used to represent systems and their interactions—such as inputs, processes and outputs— and energy, matter, and information flows within systems. (6-8)

AAAS Benchmark Alignments (2008 Version)

4. The Physical Setting

4F. Motion
  • 3-5: 4F/E3. Light travels and tends to maintain its direction of motion until it interacts with an object or material. Light can be absorbed, redirected, bounced back, or allowed to pass through.
  • 6-8: 4F/M5. Human eyes respond to only a narrow range of wavelengths of electromagnetic waves-visible light. Differences of wavelength within that range are perceived as differences of color.
  • 6-8: 4F/M8. There are a great variety of electromagnetic waves: radio waves, microwaves, infrared waves, visible light, ultraviolet rays, X-rays, and gamma rays. These wavelengths vary from radio waves, the longest, to gamma rays, the shortest.

Common Core State Standards for Mathematics Alignments

High School — Algebra (9-12)

Reasoning with Equations and Inequalities (9-12)
  • A-REI.3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.

High School — Geometry (9-12)

Modeling with Geometry (9-12)
  • G-MG.3 Apply geometric methods to solve design problems (e.g., designing an object or structure to satisfy physical constraints or minimize cost; working with typographic grid systems based on ratios).?
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Record Link
AIP Format
(Global Access Broadcasting, Johannesburg, 2010), WWW Document, (https://www.youtube.com/watch?v=nLC86OwDXD0).
Light and Lenses: Images and Convex Lenses (Global Access Broadcasting, Johannesburg, 2010), <https://www.youtube.com/watch?v=nLC86OwDXD0>.
APA Format
Light and Lenses: Images and Convex Lenses. (2010, September 28). Retrieved October 4, 2022, from Global Access Broadcasting: https://www.youtube.com/watch?v=nLC86OwDXD0
Chicago Format
Mindset Network. Light and Lenses: Images and Convex Lenses. Johannesburg: Global Access Broadcasting, September 28, 2010. https://www.youtube.com/watch?v=nLC86OwDXD0 (accessed 4 October 2022).
MLA Format
Light and Lenses: Images and Convex Lenses. Johannesburg: Global Access Broadcasting, 2010. 28 Sep. 2010. Mindset Network. 4 Oct. 2022 <https://www.youtube.com/watch?v=nLC86OwDXD0>.
BibTeX Export Format
@misc{ Title = {Light and Lenses: Images and Convex Lenses}, Publisher = {Global Access Broadcasting}, Volume = {2022}, Number = {4 October 2022}, Month = {September 28, 2010}, Year = {2010} }
Refer Export Format

%T Light and Lenses: Images and Convex Lenses %D September 28, 2010 %I Global Access Broadcasting %C Johannesburg %U https://www.youtube.com/watch?v=nLC86OwDXD0 %O application/flash

EndNote Export Format

%0 Electronic Source %D September 28, 2010 %T Light and Lenses: Images and Convex Lenses %I Global Access Broadcasting %V 2022 %N 4 October 2022 %8 September 28, 2010 %9 application/flash %U https://www.youtube.com/watch?v=nLC86OwDXD0

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Light and Lenses: Images and Convex Lenses:

Is Associated With Light and Lenses: Images

This is the first of the 4-part series "Light and Lenses" in which the basics of image formation are discussed.

relation by Caroline Hall
Is Associated With Light and Lenses: Using Lenses to Form Images

This is Part 2 of the Light and Lenses series, which covers the fundamentals of convex lenses and how they refract light.

relation by Caroline Hall

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