Trial nglass θ1(degrees) Iniyaa 1.5 30 Mary 1.5 33 Luka 1.5 36 Artur 1.5 39 Maja 1.5 42 Pritika 1.5 45 Juhee 1.5 48 Amir 1.5 51 Marta 1.5 54 Julianna 1.5 57 Aaditi 1.5 59 Kevin 1.5 62 Samuel 1.5 65 Kamila 1.5 68 Mahardika 1.5 71 Tom 1.5 72 θ2 (degrees) Sin θ1 Sin θ2 n2 = sin θ1/ sin θ2