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In the figure below is shown a small object (represented by an arrow) in front of a curved mirror. At the tip of the arrow is a red dot. The mirror is a piece of a sphere. **The center of the sphere is marked in the picture with an x.** The triangular objects are the eyes corresponding to three different observers.

For each question, explain how you got your result. Be sure to include a ray diagram as part of your explanation.

- How many red dots will the observer at position A see? Where will the dots appear to be? Specify quantitatively how far from the mirror the dots will appear to be and how far off the axis they will be.
- How many red dots will the observer at position B see? Explain how you know.
- How many red dots will the observer at position C see? Explain how you know.

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Page last modified October 31, 2002: OP10