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Concave and Convex Lenses
Author:
Ryan Smith
,
Tom Walsh
GeoGebra
Move the tip of the "Object" arrow to move the object. Move the point named " Focus' " to change the focal length. Move the point named " Focus' " to the right side of the lens to change to a concave lens.
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Witch of Agnesi - A Classical Construction
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Triangle Set 1 Investigation
cartesian dynagraph
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Sphere