.... focusing (get it?) on the most recent material.
1. What is the focal point of a concave mirror or convex lens?
2. What are real and virtual images? How are they primarily different?
3. What causes nearsightedness and farsightedness?
4. Do all lenses and mirrors give real images?
5. Under what circumstances do (real) images form AT the focal point of a lens or mirror?
6. Do plane/flat mirrors (like bathroom mirrors) form real images?
7. What primary factor(s) affect where images form (from lenses and mirrors) and how big they are?
8. What are red shifts and blue shifts? Under what circumstances do they occur?
9. If a police car approaches and then passes you, what do you notice about the frequency of its siren?
10. All EM waves in a vacuum have the same _____.
11. Once EM waves pass from a vacuum into a different medium, what exactly happens?
12. What exactly causes rainbows, or light breaking up from a prism? Could you get a rainbow from only pure red light passing through a prism?
13. How is total internal reflection related to fiber optics?
14. If you were standing on the shore of a pond and aimed a laser into the water (at some angle), what path would the laser beam take? Draw this.
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