1.law of reflection
2.normal
3.reflected ray
4.reflected angle/angle of reflection
5.incident ray
6.incident angle/angle of incidence
7.laterally inverted
P.S:我讀英中既,而且係讀理科
(有2條, 故是lawS)
(1. angle of incidence = angle of reflection)
(1. 入射角 = 反射角)
(2. incident ray, normal & reflected ray lie on the same plane)
(2. 入射線, 法線與反射線設於一平面上)