
GELOMBANG BUNYI

Quiz
•
Physics
•
11th Grade
•
Hard
Dwi Riani Mandayati
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Taraf intensitas suatu ledakan petasan dari jarak 5 m adalah 50 dB. Berapakah besar intensitas bunyi dari ledakan tersebut, jika diketahui intensitas ambang pendengaran 10-12 W/m2
10-3 W/m2
10-4 W/m2
10-5 W/m2
10-6 W/m2
10-7 W/m2
2.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Sebuah sumber bunyi dengan frekuensi 300 Hz bergerak mendekati seorang pengamat diam dengan kecepatan 40 m/s , cepat rambat bunyi di udara 340 m/s, maka frekuensi bunyi yang didengar oleh pengamat adalah
300 Hz
320 Hz
340 Hz
360 Hz
380 Hz
3.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Sebuah kabel bermassa 100 kg, panjang 100 m dan tegangan 100 N digetarkan sehingga menghasilkan gelombang tali cepat rambat bunyi yang dihasilkan
10 m/s
20 m/s
30 m/s
40 m/s
50 m/s
4.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Nada atas kedua sebuah pipa organa tertutup adalah 500 Hz, berapakah nada atas pertama pipa organa tersebut
100 Hz
200 Hz
300 Hz
400 Hz
500 Hz
5.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Nada atas pertama sebuah dawai sebesar 200 Hz , berapakah nada atas ketiga dawai tersebut
100 Hz
200 Hz
300 Hz
400 Hz
500 Hz
6.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Sebuah gelombang transversal merambat pada seutas dawai yang memiliki panjang 20 m dan massa 25 x 10-2 kg, diberi gaya 20 N, besar cepat rambat bunyi pada dawai adalah
10 m/s
20 m/s
30 m/s
40 m/s
50 m/s
7.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Taraf intensitas bunyi seekor nyamuk sebesar 30 dB. Berapakah taraf intensitas bunyi 100 nyamuk
30 dB
40 dB
50 dB
60 dB
70 dB
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