# Please help :( A ray of laser light strikes a glass surface at an angle θa = 22.5° to the normal. What is the angle θb of the refracted ray? Let the index of refraction for glass nb = 1.77 (you are able to choose two) A 12.5° B 12.7° C 10.1° D 31.8°

###### Question:

Please help :( A ray of laser light strikes a glass surface at an angle θa = 22.5° to the normal. What is the angle θb of the refracted ray? Let the index of refraction for glass nb = 1.77 (you are able to choose two)
A 12.5°
B 12.7°
C 10.1°
D 31.8°

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