Kopie vanConcave and Convex Lenses

Author:Thijs van Grinsven, Tom Walsh

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

Derivative of f(x) = ln(x)
Snake year !
Perpetual calendar
GeoGebra around GeoGebra
Sticky point to list of points

Discover Resources

BPW 1.3 Part B p. 16
Construct Dynamic Geometry Together
Ball on Ramp
Flowers
Open Middles

Discover Topics

Equations
Solids or 3D Shapes
Median Value
Differential Calculus
Sine