Dini berada di dalam kereta api A yang berhenti. Sebuah kereta api lain (B) bergerak mendekati A dengan kecepatan 2 m/s sambil membunyikan peluit dengan frekuensi 676 Hz. Bila cepat rambat bunyi di udara 340 m/s maka frekuensi peluit kereta B yang didengar Dini adalah ….
PAT FISIKA KELAS XI MIPA

Quiz
•
Physics
•
11th Grade
•
Hard

kurikulum 024
Used 85+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
680 Hz
676 Hz
660 Hz
656 Hz
640 Hz
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan pernyataan berikut!
- Kelelawar dapat menghindari dinding penghalang ketika terbang malam hari.
- Bandul berayun saat digantungkan pada seutas benang.
- Menggetarkan garpu tala tanpa kotak.
- Manusia dapat mengukur panjang gua.
Peristiwa yang menunjukkan pemantulan bunyi pada kehidupan sehari-hari adalah ….
1 dan 2
1 dan 4
2 dan 3
2 dan 4
3 dan 4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Gelombang bunyi pada alat ultrasonografi yang digunakan dalam bidang kesehatan, misalnya pada proses pemeriksaan organ tubuh manusia menerapkan konsep fisika, yaitu …
Difraksi
Refleksi
Refraksi
Interferensi
Polarisasi
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tinggi rendahnya nada dipengaruhi oleh...
amplitudo
panjang gelombang
cepat rambat gelombang
frekuensi
medium
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Frekuensi Bunyi yang dapat didengar manusia {Audiosonik } adalah ....
10 Hz
10.k Hz
25 kHz
30 kHz
50 k Hz
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Intensitas sebuah sumber bunyi sebesar 10-7 W/m2. Taraf Intensitas 10 bunyi identik adalah...
40 dB
50 dB
60 dB
70 dB
80 dB
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
kuat/lemahnya bunyi dipengaruhi oleh...
amplitudo
panjang gelombang
cepat rambat gelombang
frekuensi
medium
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