Physics, 26.07.2021 04:20 kidlol

Tia sáng đơn sắc truyền từ thuỷ tinh(n1=1,5) đến mặt phân cách với không khí

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Tia sáng đơn sắc truyền từ thuỷ tinh(n1=1,5) đến mặt phân cách với không khí...