Concave and Convex Lenses

Autor: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.

Nuevos recursos

bewijs stelling van Pythagoras
Building Trapezoids with Set Areas
Superellipse
Area of a Circle Illustrated
Area of a Trapezoid

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Intersection of 3 planes
project Algebra
Adrian Kloskowski - Pythagorean Theorem Proof 3
สามเหลี่ยม
Two Triangles with Three Congruent Sides

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