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Copy of Concave and Convex Lenses
Author:
Sandeep Bappoo
,
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.
New Resources
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Pyramid
Hypergeometric Distribution
Tree Diagrams
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