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.

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Absolute Value Functions f(x)=a |x - h| + k
希尔伯特曲线

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Simetria 1. Lobunkova
Función Cosecante x
ทฤษฎีบทพีทาโกรัส
วงกลมแนบใน
Reflections in the Coordinate Plane

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