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Parallel rays of light come in from the left.
A hidden optic device (lens, mirror, or combination)sends out rays.
Try to determine what is in each box.

Hint: If you are having trouble, start by sending parallel rays toward known objects such as concave and convex lenses, prisms, plane, convex, and concave mirrors. Use your results in analyzing these.

The last one is left empty for you to design.

Index for Optics
- All S.F. Bay Area PTRA Workshops.

Andria Erzberger
2/1/01