41.7°
Объяснение:
n=1.3 β=35° γ=?
===
n=sinα/sinβ
sinα=n*sinβ=1.3*0.574≈0.746
α=arcsin0.746≈48.3°
γ=90-48.3=41.7°
41.7°
Объяснение:
n=1.3 β=35° γ=?
===
n=sinα/sinβ
sinα=n*sinβ=1.3*0.574≈0.746
α=arcsin0.746≈48.3°
γ=90-48.3=41.7°