In the gure, a 2.1mIong vertical pole extends from the bottom of a swimming pool to a point 50.0 cm above the water. Sunlight is incident at angle :9 = 54.0\". What is the length in meters otthe shadow of the pole on the level bottom of the pool? The water has an index of refraction of 1.33. Blot-:kml SIJI \":in Number n Units v The indexof refraction of a certain liquid is 2.7. What is the critical angle For a light raytravelihg in this liquid toward a flat layer of air aboveit? Number n Units. V