Concave and Convex Lenses

Auteur :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.

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Trefoil Knot
רישום חופשי
apec
Quiz: Vertical Angles and Linear Pairs

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Supplementary Angles
Geogebra Challenge 1
Sample
Turtle Exploration 1
icosahedron circle weird2

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Expériences Aléatoires
Fonctions Polynomiales
Equations
Pyramide
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