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April 2, 2015

April 2, 2015

Posted by **Zeno** on Tuesday, December 6, 2011 at 5:57pm.

- Physics -
**drwls**, Tuesday, December 6, 2011 at 6:02pmSnell's Law says that

1.0* sin I = N*sin R

Use water's index of refraction N to calculate the angle R.

Look up the index of refraction. It is about 1.33

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