October 2021 1 20 Report
На границе сред 1 и 2 световой луч АВ изменил свое направление. Назовите угол падения и угол преломления.

1)SAE – угол падения, CAB - угол преломления
2)SAD - угол преломления, FАВ - угол падения
3)SAE - угол падения, FАВ - угол преломления
4)ЕАS - угол падения, FАD – угол преломления
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