Getaran,Gelombang dan Bunyi
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
Bayu Aji
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika ayunan sederhana bergetar sebanyak 30 kali dalam 10 detik,maka frekuensinya sebesar
3 Hz
300 Hz
20 Hz
40 Hz
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika ayunan sederhana bergetar sebanyak 100 kali dalam 10 detik,maka periodenya sebesar
1000 s
0,1 s
10 s
90 s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah benda dikatakan bergetar jika….?
Berayun-ayun
Bergerak bolak – balik melalui titik keseimbangan
Bergerak dalam lingkaran
Bergerak naik turun
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Gelombang bunyi dari suatu sumber memiliki cepat rambat 340 m/s. Jika frekuensi gelombang bunyi adalah 500 Hz, maka panjang gelombangnya adalah...?
0,68 m
1 m
0,78 m
1,68 m
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Untuk mengukur kedalaman laut, gelombang bunyi ditembakkan tegak lurus ke dalam laut. Jika pantualan gema diterima setelah 2 sekon, sedangkan cepat rambat bunyi 1.400 m/s maka kedalaman lautnya adalah....
140 m
700 m
1.400 m
2.800 m
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Seorang anak mendengar bunyi yang memiliki panjang gelombang sebesar 5 meter. Jika cepat rambat bunyi di udara adalah 340 m/s, maka periode sumber bunyi tersebut adalah ....?
0,0147 s
0,1 s
2 s
0,0157 s
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Seseorang siswa berdiri di dekat tebing sejauh 850 meter, kemudian berteriak. Bunyi pantul teriakan tersebut terdengar setelah 5 sekon. Cepat rambat bunyi di udara… ?
170 m/s
340 m/s
85 m/s
680 m/s
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