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Refraction Problem: Is Halliday Fundamental Physics book wrong, or am I misunderstanding the concept?
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View the Halliday problem here: https://postimg.cc/ctLr09fN, where the answer in the back of the book is (a), but I'm pretty sure the answer would be (P) — the red lines and P are my addition.
Here is the OpenStax version of this problem: https://postimg.cc/t1GJYCFk
So what's going on here?
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