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In the figure shown below, point A (marked by a circle) is the top of a small object (indicated as an arrow). Near it, is a concave lens, as shown. The focal points of the lens are marked with black dots.

- Using a ray diagram, show where an image of point A would be formed.
- If the focal length of the lens is 8 cm and the object is 6 cm from the lens, where will the image be?
- If the object is 1 cm tall, how tall will the image be?
- Will the image created by the lens be real or virtual?
- Where will you have to be to see the image?

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Page last modified October 31, 2002: OP17