Dua pipa organa terbuka, pipa A dan pipa B ditiup secara bersamaan. Ternyata suara nada dasar pipa organa A sama dengan suara nada atas kedua pipa organa B. Maka, pernyataan berikut yang benar adalah ….
Gelombang Bunyi (XII)

Quiz
•
Physics, Science, Other
•
12th Grade
•
Hard
Novita Kumalasari
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
panjang pipa organa A sama panjang dengan pipa organa B
panjang pipa organa A setengah kali panjang pipa organa B
panjang pipa organa B setengah kali panjang pipa organa A
panjang pipa organa B 2 kali panjang pipa organa A
panjang pipa organa B 3 kali panjang pipa organa A
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Seorang penerbang yang pesawat terbangnya mendekati menara bandara mendengar bunyi sirine menara dengan frekuensi 2.000 Hz. Jika sirine memancarkan bunyi dengan frekuensi 1.700 Hz, dan cepat rambat bunyi di udara 340 m/s, maka kecepatan pesawat udara adalah .... km/jam
236
220
216
200
196
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Taraf intensitas bunyi sebuah mesin rata-rata 50 dB. Apabila seratus mesin dihidupkan bersama, maka taraf intensitasnya adalah .... dB
100
75
70
80
20
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Seutas dawai panjangnya 1,80 meter. Jika tegangan dawai diatur sedemikian hingga kecepatan gelombang transversal yang dihasilkannya adalah 900 m/s, maka frekuensi nada atas pertama adalah .... Hz
640
500
320
250
125
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Apabila kita hendak menaikkan tinggi nada dari suatu dawai maka dapat dilakukan dengan cara ....
panjang dawai diperbesar
panjang dawai diperkecil
penampang dawai diperbesar
tegangan dawai diperkecil
dawai diganti dengan dawai yang lain jenisnya
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