Aprēķins: VrGwXn - 1

sin(α)

/ sin(γ)

=

n2

/ n1

sin(α)

/ sin(γ)

=

n2

/ n1

$\frac{sin(\alpha)}{sin(\gamma)}$ = $\frac{n2}{n1}$

sin(α) =

n2* sin(γ)

/ n1

$sin(\alpha)$ = $\frac{n2\cdot sin(\gamma)}{n1}$

α = arcsin(

n2* sin(γ)

/ n1

) $\alpha$ = $arcsin(\frac{n2\cdot sin(\gamma)}{n1})$