0°
20°
40°
60°
80°
80°
60°
40°
20°
0°
20°
40°
60°
80°
80°
60°
40°
20°
A = 37.4°
δ = 59.3°
Double-click or double-tap the protractor to switch between moving and rotating.
Index of Refraction, n = 2.06