trắc nghiệm phần quang học lớp 11
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Chuyên đề Khúc xa-Phản xạ toàn phần Vật lí 11- Biên soạn : Lê Văn Mỹ - 0913.540.971
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Một người quan sát một hòn sỏi coi như một điểm sáng A ở dưới đáy một bể nước, độ sâu h theo
phương vuông góc với mặt nước. Người ấy thấy hình như hòn sỏi được nâng lên gần mặt nước,
theo phương thẳng đứng, đến điểm A’. Chiết suất của nước là n. Trả lời các câu 28 và 29
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