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You should set up this exercise for yourself. There is a worksheet "Shadows #4" in the Shadows section of the manual that you can use.
Assume that just as we snapped the pictures above, a bug crawled into the shadow on our screen. If the bug were in the edge of the fuzzy shadow (the one on the right above made with the frosted bulb) what would it see when looking back towards the bulb?
When you have finished with these questions, hit the "Back" button twice
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Copyright 2000 J. P. Straley and S. S. Kovash |