KELAS 8 - GELOMBANG
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
Airlangga Kepanjen
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Yang dimaksud dengan satu getaran adalah ..
C – B – A – C - B
A - B – A – B – C
A – B – C – B - A
B – A – C – A – C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seutas senar memiliki panjang 50 cm dan massa jenis 1500 kg/m3. Luas penampang senar adalah 1 mm2. Jika tegangan senar yang duberikan adalah 60 N, maka frekuensi yang dihasilkan.... adalah
100 Hz
200 Hz
1000 Hz
2000 Hz
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gelombang longitudinal mempunyai panjang gelombang 300 cm. Jika frekuensi pada gelombang tersebut ialah 20 Hz, maka cepat rambat gelombang tersebut adalah...
60
600
6000
15
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambar gelombang slinki di atas!
Jika panjang slinki adalah 40 cm dan periode gelombangnya 5 sekon, maka cepat rambat gelombang tersebut adalah...
0,2 m/s
0.4 m/s
0.02 m/s
0.04 m/s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan pernyataan berikut!
1. Untuk mengukur kedalaman laut
2. Untuk mempertinggi frekuensi bunyi
3. Untuk mengukur jarak antara dua tempat
4. Memperbesar amplitudo bunyi
Manfaat bunyi pantul dapat ditunjukkan pada pernyataan nomor....
2 dan 4
2 dan 3
1 dan 2
1 dan 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang dimaksud dengan satu gelombang adalah … .
a – b – c
a – b – c - d
a – b – c -d - e
a – b – c - d - e - f - g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Panjang gelombangnya adalah ... .
3 cm
2 cm
1,5 cm
1 cm
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