
UJI COBA SOAL EFEK DOPPLER
Authored by 0055 Rahmawati
Physics
Professional Development
5 Questions
Used 2+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang pendengar berdiri di samping sumber bunyi yang frekuensinya 684 Hz. Sebuah sumber bunyi lain dengan frekuensi 676 Hz bergerak mendekati pendengar itu dengan kecepatan 2 m/s. Bila kecepatan rambat bunyi di udara 340 m/s, maka frekuensi layangan yang didengar oleh pendengar itu adalah...
2 Hz
3 Hz
4 Hz
6 Hz
7 Hz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu sumber bunyi bergerak dengan kecepatan 20 m/s mendekati seseorang yang diam. Frekuensi sumber bunyi = 380 Hz. Dan kecepatan rambat bunyi di udara 400 m/s. Frekuensi gelombang bunyi yang didengar orang tersebut adalah...
400 Hz
420 Hz
440 Hz
460 Hz
480 Hz
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kereta A bergerak dengan kelajuan 75 km/jam. Dan kereta B dengan kelajuan 90 km/jam bergerak saling mendekati. Masinis kereta A membunyikan peluit dengan frekuensi 650 Hz. Jika kecepatan rambat bunyi di udara 350 m/s, maka frekuensi yang didengar masinis B dari peluit A adalah...
800 Hz
740 Hz
600 Hz
738,6 Hz
388,6 Hz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang anak yang berdiri diam meniup peluit pada frekuensi 490 Hz ke arah mobil yang sedang bergerak mendekatinya. Pelayanan yang terdengar antara gelombang langsung dan gelombang yang dipantulkan mobil adalah 10 Hz. Jika kecepatan bunyi di udara 340 m/s, maka kecepatan mobil adalah...
69 m/s
58 m/s
34 m/s
38 m/s
44 m/s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah mobil polisi dengan sirine menyala yang berfrekuensi 940 Hz bergerak dengan kecepatan 90 km/jam mengejar seorang pelaku kriminal yang sedang melaju menjauh dari polisi dengan kecepatan 72 km/jam. Jika kecepatan rambat suara di udara sebesar 340 m/s, berapa frekuensi bunyi sirine yang didengar pelaku tersebut?
954,6 Hz
549,6 Hz
459,6 Hz
954,9 Hz
659,4 Hz
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