A radio transmitter makes a broadcast in wave of 150 m. The speed of electromagnetic wave is 3 x 108 m/s. Frequency of radio broadcast is.....

Bunyi

Quiz
•
Physics
•
8th Grade
•
Medium
Rani Dewi
Used 11+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
20 KHz
200 KHz
2.000 KHz
20.000 KHz
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Seseorang melihat kilat di langit dan 4 sekon kemudian mendengar bunyi guntur. Jika cepat rambat bunyi di udara pada saat itu 345 m/s, maka jarak kilat tersebut diukur dari tempat pendengar adalah ....
341 m
349 m
690 m
1.380 m
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cepat rambat gelombang bunyi bergantung pada ....
amplitudo
periode
frekuensi
suhu medium
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kelelawar dapat berburu pada malam hari karena mampu memancarkan gelombang ....
infrasonik
audiosonik
ultrasonik
supersonik
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah kapal mengirim pulsa ultrasonik ke dasar laut yang kedalamannya 2.800 m. Jika cepat rambat bunyi di dalam air laut 1.400 m/s, maka waktu yang dicatat fathometer mulai dari pulsa dikirim hingga diterima kembali adalah ....
2 sekon
4 sekon
8 sekon
12 sekon
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini merupakan syarat terdengarnya bunyi oleh manusia, kecuali . . . .
ada zat perantara
ada sumber bunyi
ada pendengar
frekuensinya berkisar antara 20 Hz – 2000 Hz
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bunyi yang frekuensinya tidak teratur disebut . . . .
gaung
nada
gema
Desah
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