Dawai panjangnya 1,5 m dijepit dengan tegangan 600 n menghasilkan frekuensi nada atas ke tiga, maka jumlah simpul dan perut yang terjadi adalah ….

Dawai panjangnya 1,5 m dijepit dengan tegangan 600 n menghasilkan frekuensi nada atas ke tiga, maka jumlah simpul dan perut yang terjadi adalah ….

Jawaban yang benar adalah 5 simpul dan 4 perut.

Diketahui:
Dawai
L = 1,5 m
F = 600 N
n = 3

Ditanya:
Jumlah S dan P

Jawab:
Konsep yang kita gunakan adalah analisis gelombang bunyi pada dawai. Ketika dawai digetarkan, akan dihasilkan gelombang stasioner dimana nada dasar (n = 0) menghasilkan 2 simpul dan 1 perut. Semakin tinggi nadanya maka jumlah simpul dan perut bertambah sebanyak 1 untuk masing-masing.
Maka, untuk nada atas ketiga (n = 3) dihasilkan 5 simpul dan 4 perut.

Oleh karena itu, jawaban yang benar adalah 5 simpul dan 4 perut.

Baca Juga :  Complete the sentences with a form of the verb in parentheses. Three hundred and fifty years ago, people (1. make) /made/ their own clothes. They (2. have, not) _____ machines for making clothes. There (3. be, not) _____ any clothing factories. People (4. tear) _____ homemade clothes that were sewn by hand. Today, very few people (5. make) _____ their own clothes. Clothing (6. come) _____ ready-made from factories. People (7. buy) _____ almost all their clothes from stores. The modern clothing industry (8. be) _____ international. As a result, people from different countries often (9. wear) _____ similar clothes. For example, people in many different countries throughout the world (10. wear) _____ jeans and t-shirts. However, some regional differences in clothing still (11. exist) _____ for instance, people of the Arabian deserts (12. wear) _____ loose, flowing lobes to protect themselves from the heat of the sun. In parts of Northern Europe, fur hats (13. be) _____ common in the winter. In the future, there (14. be, probably) _____ fewer and fewer differences in clothing. People throughout the world (15. wear) _____ clothes from the same factories. (16. We all, dress) _____ in the future? TV shows and movies about the future often (17. show) _____ everybody in a uniform of some kind. What (18. you, think) _____? Number 12