The Wave Nature of light: Interference Chapter 30 30-2 Huygens Principle and the Law of refraction (p682) ○ The law of reflection: The angle of incidence(e,) The angle of reflection(01, 01 ○ The law of refraction sin e =12 SIn 2The Wave Nature of Light; Interference Chapter 30 30-2 Huygens’ Principle and the Law of Refraction(p682) The law of refraction The law of reflection: The angle of incidence (1) = The angle of reflection (1 ’ ) 2 1 1 2 2 1 2 1 sin sin n n n v v = = =   1 1 ’ 2 n2 n1