Step 14 Water into Air Glass into Air Mystery B into Air Angle Angle Angle Angle Angle Angle Incidence Refractio Incidence Refractio Incidence Refractio n n 0 0 0 0 0 15 20 15 23 15 21 30 42 30 49 30 44 45 70 45 75 45 79 60 60 60 75 75 75 85 85 85 Critical Angle 49 Critical Angle Critical Angle