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Copy of Concave and Convex Lenses
Author:
raffishirinian
,
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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Example of using color palette
以百分數比較兩個數值
Constructing the Midpoint and the Perpendicular Bisector of a Segment
Cycloid from Formula
Discover Resources
Angle at Center with spreadsheets
Special Quadrilaterals A
UnMessUpAbleSquare
Graphing the Sine Wave of a Simple Pendulum-1
Volume Between 2 Surfaces
Discover Topics
Volume
Solids or 3D Shapes
Polynomial Functions
Constructions
Quadratic Equations