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Magnifying with a Bi-Convex Lens

Discover how a simple thin bi-convex lens acts to magnify an image. Instructions for operation of the tutorial appear below the applet window.

Use the mouse cursor to drag the lens toward and away from the Object (giraffe on the left). As the lens is moved closer to the Object, the Real Image (inverted giraffe) is magnified and becomes larger. As the lens is moved away from the Object, the Real Image progressively decreases in size until the lens reaches a point where the focal point is farther away from the lens than the Real Image, and the size of the image becomes infinitely small.

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Last modification: Thursday, May 19, 2016 at 09:17 AM
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