Langev kiir

Langemisnurk α

Õhk, mis on õptiliselt hõredam

Murdumisnurk β

Murdunud kiir

α>β

Vesi, mis on optiliselt tihedam

A = (6, 8)
B = (6, -5)
f = Line(A, B)
C = (2, 6)
D = Intersect(f, xAxis)
u = Vector(C, D)
E = Point(f)
α = Angle(E, D, C)
F = (5.52036427086539, 4.358579343624982)
G = (5.60033512919616, 1.6995483041269108)
v = Vector(F, G)
H = Point(u)
I = (7.068586554445161, -5.951026394527337)
w = Vector(H, I)
β = Angle(B, H, I)
J = (6.718279157555547, -8.403178172754627)
K = (6.280394911443531, -3.6448360316707182)
a = Vector(J, K)
L = Intersect(xAxis, yAxis)
M = Point(xAxis)
vesi, g, h, i, j, N, O = Polygon(M, L, 4)