I know how to do critical angle problems, using snell's law, but i was given a circle and i'm not sure how i should go about finding the incident angle.. If someone could help me out with that it would be awesome! THX(adsbygoogle = window.adsbygoogle || []).push({});

Nicole

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# Homework Help: Snell's Law/Critical Angles Problem

**Physics Forums | Science Articles, Homework Help, Discussion**