Concave and Convex Lenses

Author:Dr Mark Fernihough, 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

functionartculture
z`]]
Conway Circle Theorem
Viviani's Curve
Fourier Lissajous (Mechanical)

Discover Resources

Elise and Philip Savings Problem
Transversal 2
Intersections between a Line & Parabola
המנדלה

Discover Topics

Surface
Function Graph
Plane Figures or Shapes
Combinatorics
Addition