When waves hit a surface they can be reflected. Using the simulation answer the questions below. 30 60 40 30 30 603 Normal line Angle of Angle of incidence reflection ei er 1.a. What is the relationship between the angles of incidence and reflection 1.b What do you notice about the strength of the reflected beam? 1.c Does changing the index of refraction (n) affect the angle of the reflected ray?