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The critical angle for a water to air interface is 48.6º. When light passes from air into water at a 50º angle, the wave will

Completely reflect into air
Completely reflect into water
Bend closer to normal
Bend further from normal



Which one is it? I am in this online class thing, and they teach you everything, and normally I do very well, but this critical angle stuff is unclear to me, as nobody ever taught it to me. I have many more questions about this topic, so if somebody wants to just put a full explanation about it, I'd be very thankful.
 Mar 6, 2014
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http://en.wikipedia.org/wiki/Total_internal_reflection
 Mar 6, 2014

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