Check Your Results
You have finished your activity! Let's see how you did. How is an image formed using a converging (convex) lens?
The image is formed when all the light rays emitted from the object converge in a single plane (sometimes called the image plane). Placing a screen at the image plane allows the rays to reflect away from the screen as if it were an original source of light. However, the image may be inverted and larger or smaller than the original object. When we look at the lens directly our eyes detect the light rays that travel in straight lines. So to us, our eyes tell us that the light begins its straight path from the image plane and thus it should be located there as well. Good work! You are well on your way to learning about imaging with lens.
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