Concave and Convex Lenses

Autore: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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Hypocycloids
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
רישום חופשי
分數化百分數：練習
apec

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