
Pemanfaatan Sonar
Authored by Adelia Dwi
Science
8th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dari permukaan air laut, sinyal bunyi dikirim ke dasar laut. Sinyal tersebut diterima kembali setelah 15 sekon. Jika cepat rambat bunyi dalam air adalah 1.800 m/s, maka kedalaman laut di tempat itu adalah....m
6.750
10.800
13.500
27.000
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dalam suatu percobaan, resonansi kedua terjadi pada tinggi kolom udara 90 cm. Frekuensi garpu tala yang dipakai dalam percobaan adalah 220 Hz. Berapakah cepat rambat bunyi di udara?....m/s
14.850
148,5
264
26.400
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah kolom udara memiliki panjang 60 cm. Jika garpu tala mempunyai frekuensi 320 Hz, maka besarnya cepat rambat gelombang bunyi di udara saat terjadi resonansi pertama adalah ... m/s
480
768
384
240
4.
OPEN ENDED QUESTION
15 mins • 1 pt
Jelaskan dengan bahasamu sendiri, cara kerja sistem sonar untuk mengukur kedalaman laut!
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5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Sonar memanfaatkan jenis frekuensi bunyi...
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