Fisika
Quiz
•
Physics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Nadi Ras
Used 3+ times
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Pada tabung resonansi terjadi resonansi kedua ketika panjang kolom udara 48 cm. Panjang kolom udara ketika terjadi resonansi keempat adalah...
64 cm
80 cm
112 cm
56 cm
2.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Seeorang siswa melakkukan percobaan dengan tabung resonansi. Pada saat terjadi resonansi kedua, panjang kolom udara setinggi 18 cm. Jika kecepatan gelombang bunyi saat itu 320 m/s maka frekuensi garpu tala yang digunakan adalah...
1.666,7 Hz
924,6 Hz
1.333,3 Hz
689,3 Hz
3.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Seeorang anak menjatuhkan kerikil ke dalam kolam air yang tenang. Jika jarak jatuhnya kerikil dengan tepi kolam 12 m dan dalam waktu 4 sekon gelombang dapat sampai ke tepi kolam. Kecepatan gelombang air tersebut adalah...
4 m/s
8 m/s
3 m/s
6 m/s
4.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Sebuah benda melakukan getaran dengan frekuensi 20 Hz. Dalam waktu 1 menit, benda melakukan gerakan sebanyak...kali.
1200
20
720
360
5.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Kecepatan gelombang bunyi 320 m/s. Jika frekuensi sumber bunyi sebesar 1.600 Hz maka jumlah gelombang yang merambat dalam waktu 2 sekon adalah...
8.000 buah
16.000 buah
4.800 buah
3.200 buah
6.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Perhatikan beberapa pernyataan berikut!
1) Menentukan kadar garam air laut
2) Menentukan cepat rambat bunyi di udara
3) Mendektesi janin dalam kandugan dengan USG
4) Mengukur kekuatan bunyi dalam ruangan
Pemanfaatan bunyi pantul sesuai dengan pernyataan...
(2) dan (4)
(1) dan (4)
(1) dan (3)
(2) dan (3)
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