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

Right Triangle Inscribed in a Semicircle
Isosceles Right Triangle
Pythagorean Theorem: Extension Exercises
Basic and Compound Inequality Illustrator
繪畫垂直線

Discover Resources

Circle Theorem 5: Isosceles Triangles
McDonalds Quadratic Transformations
Regular Polygons
Второй признак равенства треугольников
Area of circle(us)

Discover Topics

Rectangle
Scalene Triangles
Scatter Plot
Indefinite Integral
Difference and Slope