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Чему равен предельный угол полного внутреннего отражения вещества если показатель преломления равен 1,47
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Предельный угол полного внутреннего отражения:α = arcsin (1/n) = arcsin (1/1,47) ≈ arcsin (0,6803) ≈ 43°
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Автор:
rickycizd - 6 лет назад
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