Total Internal Reflection: Light in a transparent material that has an index of refraction of 1.333 strikes the boundary with another transparent material for which the index of refraction is 1.010. What is the critical angle for total internal reflection between these two materials?
Fill in the blank(s) with the appropriate word(s).
49.26°
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A. 
B. 
C. Both and (which are equal)
D.
E. 
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