We introduced convex and concave lenses today, tools that use Snell's Law to make images. Like concave and convex mirrors, lenses have foci, and that's the key for making images.
During Period 4 we worked on Assignments 6 and 7. Ch 23 Reflection Practice Test Assignments: Period 4 will turn these in on Tuesday (tomorrow). Ch 23 Assignments 9 and 10 Ch 23 Reflection test on Thursday
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