Physics, 29.07.2021 18:30 mcalepcrager

chiếu 1 tia sáng lên 1 gương phẳng, thu được tia phản xạ tạo với tia tới 1 góc 70. tính giá trị của góc tới và góc phản xạ

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chiếu 1 tia sáng lên 1 gương phẳng, thu được tia phản xạ tạo với tia tới 1 góc 70. tính giá trị của...