Kopie vanConcave and Convex Lenses

Author:Thijs van Grinsven, 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

Multiplying 2-Digit x 2-Digit Numbers Using an Area Model (2)
apec
Multiplying 3-Digit by 3-Digit Numbers Using an Area Model
The black friday GeoGebra :)
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

Discover Resources

Exo2 du DM
เศษส่วน
Triangle Inequality Theorem

Discover Topics

Constructions
Set Theory
Tangent Function
Logarithmic Functions
Stochastic Process or Random Process