Concave and Convex Lenses

Author: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.

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Polar Coordinates Book
Astroid
Graph Segment of f(x) = x in Polar Coordinates
Cosine in Cartesian and Polar Coordinates
Untitled

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Constant Width
Octagon Sum Theorem
Tanton Puzzle
Trapezoid 2
Trapezoid in Action!

Discover Topics

Stochastic Process or Random Process
Random Variables
Binomial Distribution
Rational Numbers
Ellipse