Test Formatif UKIN

Quiz
•
Physics
•
9th - 12th Grade
•
Hard
IRMA SURYANI
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambar berikut! Terdapat sebuah sumber bunyi dan 3 orang pendengar. jika R1, R2, dan R3, berturut-turut adalah jarak pendengar 1, 2, dan 3 dari sumber bunyi, manakah dari pernyataan berikut yang tepat?
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Manakah dari grafik berikut yang paling tepat untuk menunjukkan hubungan antara Intensitas bunyi terhadap jarak dari sumber bunyi?
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Sebuah detector intensitas bunyi ditempatkan pada jarak 10 m dari sumber bunyi yang memancarkan energinya ke segala arah. Intensitas di tempat tersebut = 0,04 W/m2. Bila detector digeser X meter menjauhi sumber tadi, intensitas bunyi yang teramati 1/36 W/m2, berarti jarak pergeseran X detector tersebut adalah……….
1 meter
2 meter
3 meter
4 meter
5 meter
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sebuah sumber bunyi memiliki daya 1600 W. Taraf intensitas music yang didengar pada jarak 20 m dari sumber bunyi adalah………(I0 = 10-12 W/m2).
90 dB
110 dB
115 dB
120 dB
130 dB
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Taraf intensitas bunyi dalam suatu ruangan adalah 100 dB. Berapa intensitas bunyi dalam ruangan tersebut?
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