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Unformatted text preview: . . when outside the water. ? Overhead projector lens The convex lens in an overhead projector forms an image P ′ of a point P on an overhead transparency. If the projector is moved closer to the screen, the lens must be A. moved up. . . B. left in place. . . C. moved down. . . to keep the image on the screen in focus. P P’...
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- Spring '08
- Light, Overhead projector, convex glass lens