Aprēķins: L5IMir - 1

 
 sin(α)
/ sin(γ)
  = 
n
 
 sin(α)
/ sin(γ)
 = nsin(α)sin(γ)\frac{sin(\alpha)}{sin(\gamma)} = nn
sin(α) =  n* sin(γ)sin(α)sin(\alpha) = nsin(γ)n\cdot sin(\gamma)
α = arcsin( n* sin(γ))α\alpha = arcsin(nsin(γ))arcsin(n\cdot sin(\gamma))