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anmaster1707
2 năm trước
(Mong mọi người giúp em gấp ạ) 1. Hai nguồn kết hợp A, B cách nhau 9cm, có bước sóng là 4cm. Hỏi trên đoạn thẳng nối hai nguồn có bao nhiêu cực đại? Bao nhiêu cực tiểu? 2. Hai nguồn kết hợp A, B cách nhau 1lcm, có bước sóng là 4cm. Hỏi trên đoạn thẳng nối hai nguồn có bao nhiêu cực đại? Bao nhiêu cực tiểu?
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