Trong thí nghiệm giao thoa Y-âng, khoảng cách hai khe đến màn Khe S đặt trên đường trung trực của đoạn nối hai khe, song song với hai khe, cách trung điểm một đoạn phát ra ánh sáng đơn sắc. Cho khe S dao động điều hòa quanh vị trí ban đầu theo phương song song với đoạn nối hai khe với biên độ Vân trung tâm sẽ dao động:  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  The team reached the top of the mountain. The team spent a night there.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  People should not throw rubbish in the park. People should not cut down the trees in the park.         

• Mark the letter A, B, C or D on your answer sheet to indicate the sentences that best combines each pair of sentences in the following questions:

  She wrote the text. She selected the illustration as well.         

• Mark the letter A, B, C or D on your answer sheet to indicate the sentences that best combines each pair of sentences in the following questions:

  The plan may be ingenious. It will never work in practice.         

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  Vietnam exports a lot of rice. It is grown mainly in the south of the country.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  Marry loved her stuffed animal when she was young. She couldn’t sleep without it.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  The fire-fighters made every effort to put off the flames. The building burned down completely.             

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  It doesn’t make any difference if it rain. They will still go.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  The plan may be ingenious. It will never work in practice.             

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following sentences.

  The coffee was not strong. It didn’t keep us awake.