Sóng cơ truyền trên một sợi dây rất dài với khoảng cách giữa hai đỉnh sóng kế tiếp là 20cm. Tìm bước sóng λ?  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions:     

• Mark the letter A,B,C or D on your answer sheet to indicate the word whose underlined part differ from the other three in pronunciation in each of the following question:     

• Mark the letter A,B,C or D on your answer sheet to indicate the word whose underlined part differ from the other three in pronunciation in each of the following question:     

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the rest:  

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the rest:      

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions:  

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions: 

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions: 

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions: 

• Khi chiếu một ánh sáng kích thích vào một chất lỏng thì chất lỏng này phát ánh sáng huỳnh quang màu vàng. Ánh sáng kích thích đó không thể là ánh sáng