Ответ:
60°
Объяснение:
n=1.73 γ=90° α=?
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Угол преломления β=180°-(α+γ)=90°-α
n=sinα/sinβ=sinα/sin(90°-α)=sinα/cosα=tgα
α=arctg1.73=60°
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Answers & Comments
Ответ:
60°
Объяснение:
n=1.73 γ=90° α=?
===
Угол преломления β=180°-(α+γ)=90°-α
n=sinα/sinβ=sinα/sin(90°-α)=sinα/cosα=tgα
α=arctg1.73=60°
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