Gelombang bunyi
Quiz
•
Physics
•
4th Grade
•
Easy
Mahda Lena
Used 132+ times
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah sumber bunyi dgn frekuensi 720 hz bergerak menjauhi seorang pendengar yg diam. jika kecepatan bunyi di udara 340 m/s dan kecepatan sumber bunyi 20 m/s, maka hitunglah frekuensi yg di dengar oleh pendengar... hz
680
700
730
800
0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dua buah sumber bunyi mempunyai frekuensi mading2 538 hz dan 536 hz. Dibunyikan secara bersama. berapa jumlah layangan dlm waktu 3 detik...
5
6
7
8
0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah sumber bunyi memancarkn gelombang bunyi dgn daya rata2 80 W. Berapa intensitas bunyi pada jarak 2 m dari sumber... W/m2.
1/phi
5/phi
10/phi
15/phi
20/phi
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seutas senar mempunyai panjang 3 m. kedua ujungnya diikat dan digetarkn sehingga frekuensi resonansi nada atas pertamanya 60 hz. jika massa per satuan panjang senar miu = 0,01gr/cm. Berapa tegangan senarnya... N
0
10,5
20,6
32,4
40
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika modulus Bulk raksa diketahui sebesar 2,8 x 10 pangkat 10 N/m2 dan massa jenisnya 13.600 kg/m3. Berapa kecepatan gelombang bunyi pada raksa tersebut... x 10 pangkat 3 m/s.
1,43
2,18
5,27
8,01
10
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