+20
5 лет назад
Физика
5 - 9 классы
n1=1.5 n2=1.33 α=?
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n=n1/n2=1.5/1.33=1.128
n=1/sinα
sinα=1/n=1/1.128=0.886
α=arcsin0.886≈62.4°
===========================
n1=1.5 n2=1.33 α=?
===
n=n1/n2=1.5/1.33=1.128
n=1/sinα
sinα=1/n=1/1.128=0.886
α=arcsin0.886≈62.4°
===========================