sinαo= n2/n1 = 1/nл. nл=1/sinαo=1/sin50°=1/0,766=1,3.
sin α₀ = 1 / n => n = 1 / sin α₀
n = 1 / sin 50 ° ≈ 1,31
sinαo= n2/n1 = 1/nл. nл=1/sinαo=1/sin50°=1/0,766=1,3.
sin α₀ = 1 / n => n = 1 / sin α₀
n = 1 / sin 50 ° ≈ 1,31