Don't forget - brief quiz (Snell's law) on Friday. Invest a few minutes in reviewing/studying.
To prepare for last day of lab stuff:
Investigate the difference between real images and virtual images. Define each.
If you have time, calculate experimental focal lengths, using the thin lens equation:
1/f = 1/do + 1/di
(It's easiest if you use the x^-1 key on the calculator.)
Continue to examine lab data and look for trend(s).
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