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The critical angle for total internal reflection for diamond (n=2.42) surrounded by water (n=1.33) is approximately what? Answer: 33 degrees.
*Please show all of your work.
The possible choices were:
(a) 24 degrees.
(b) 33 degrees.
(c) 49 degrees.
(d) 63 degrees.
(e) 90 degrees.
feel free to drop comment if you have any doubt.
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