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written by Michael Davidson
published by the National High Magnetic Field Laboratory
This is an interactive tutorial on the topic of magnification. Single lenses such as the bi-convex lens are useful in tools designed for simple magnification applications, such as magnifying glasses, eyeglasses, single-lens cameras, and viewfinders. In this Java simulation, users move a virtual bi-convex lens toward and away from an object to observe changes in the size of the image produced by the lens. The accompanying text tutorial gives detailed information about the geometric principles governing the situation.
This item is part of a larger Microscopy Primer developed by the National High Magnetic Field at Florida State University. SEE RELATED ITEMS on this page for a link to the complete primer.
Please note that this resource requires Java.
This resource is part of a Physics Front Topical Unit.
Topic: Nature and Behavior of Light
Unit Title: Ray Optics -- Reflection and Refraction of Light
A bi-convex thin lens is the type of lens used in eyeglasses, magnifying glasses, and single-lens cameras. They work in accordance with simple principles of geometry. This simulation-based tutorial lets students move the virtual lens back and forth on an optical axis. They can observe the effects of the changing distances on the magnification produced by the lens. The text tutorial further explains the fundamentals to prepare students to solve problems involving focal length and magnification.Link to Unit:
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Molecular Expressions: Interactive Java Tutorials - Magnification with a Bi-Convex Lens:
Is By The Same Author and Covers a Similar Topic As Molecular Expressions: Interactive Java Tutorials - Simple Bi-Convex Thin Lenses
This related simulation also features a bi-convex thin lens. The user can control sliders to change the object size and focal length. Geometric principles are discussed in detail.relation by Caroline Hall
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Is By The Same Author and Covers a Similar Topic As