Double Thin-Lens Systems

Author:Lenore Horner

Use the red diamond marked Rlens to move the right (red) lens relative to the left (blue) one. Use the sliders to change the focal lengths of the lenses.

New Resources

Squaring a Rectangle (PST Version)
End Behavior of Polynomial Functions
Mandelbrot 2
Building Algebra Tile Models for Trinomials
Rossler's Attractor

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Visualise Area of Circle
Polar Coordinates
GER Differenziale
Centres of a Triangle
GeoGebra Activity

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Equilateral Triangles
Parallelogram
Pie Chart or Circle Chart
Polygons
Cosine