Pemanfaatan Sonar
Passage
•
Science
•
8th Grade
•
Practice Problem
•
Easy
Adelia Dwi
Used 2+ times
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6 questions
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1.
FILL IN THE BLANK QUESTION
5 mins • 3 pts
Berdasarkan bacaan tersebut, gelombang sonar memanfaatkan jenis bunyi apa?
2.
OPEN ENDED QUESTION
5 mins • 4 pts
Mengapa gelombang sonar memanfaatkan jenis frekuensi bunyi tersebut?
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3.
OPEN ENDED QUESTION
5 mins • 4 pts
Mengapa gelombang sonar menggunakan gelombang bunyi? Mengapa tidak jenis gelombang lain misalnya gelombang cahaya?
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4.
OPEN ENDED QUESTION
10 mins • 10 pts
Berdasarkan gambar tersebut, jelaskan dengan bahasamu sendiri cara kerja sistem sonar dalam mendeteksi objek bawah laut!
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5.
OPEN ENDED QUESTION
15 mins • 10 pts
Untuk menghitung jarak kedalaman laut dapat digunakan persamaan seperti pada gambar berikut.
Jika dari permukaan air laut, sinyal bunyi dikirim ke dasar laut kemudian sinyal diterima kembali setelah 15 sekon. Apabila cepat rambat bunyi dalam air adalah 1.800 m/s, maka hitunglah kedalaman laut dengan menggunakan persamaan rumus di atas!
(Tulis cara perhitungan lengkap beserta Diket, Ditanya, dan Jawab)
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6.
OPEN ENDED QUESTION
10 mins • 10 pts
Saat ini telah banyak teknologi yang memanfaatkan sistem sonar. Menurutmu apakah dampak positif dan negatif penggunaan sistem sonar? (Sebutkan min 2 dampak positif dan negatif)
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