Practice Problem on Refraction
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                          \ 60                   |                
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     90                        \                 |           
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  ------- 0      n = 1.3          \     n = 1.4  |            n = 1.5 
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    -90                              \           |            
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Light is incident from the left at -12 degrees relative to the horizontal. What is the angle of the exiting light relative to the horizontal? Give your answer in degrees to two decimal places.

ANSWER = -7.85 degrees