

BAB 10. GELOMBANG BUNYI
Presentation
•
Science
•
6th Grade
•
Hard
NUR Moe
Used 1+ times
FREE Resource
5 Slides • 3 Questions
1
by NUR Moe
2
1. BUNYI MEMERLUKAN MEDIUM UNTUK MERAMBAT (PEPEJAL, CECAIR DAN GAS)
2. BUNYI BOLEH DIPINDAHKAN DENGAN CEPAT DALAM PEPEJAL TETAPI SANGAT PERLAHAN DALAM GAS.
3. BUNYI DIPANTULKAN PADA PERMUKAAN YANG KERAS DAN LICIN
4. BUNYI DISERAP PADA PERMUKAAN YANG LEMBUT DAN KASAR.
3
Multiple Choice
PILIH PERNYATAAN YANG SALAH
ANGKASAWAN BOLEH MENDENGAR BUNYI DENGAN JELAS DI ANGKASA LEPAS.
GELOMBANG BUNYI MEMERLUKAN MEDIUM UNTUK MERAMBAT
BUNYI DIPINDAHKAN DENGAN PALING CEPAT MELAUI PEPEJAL
PERMAIDANI, LANGSIR DAN SOFA MENYERAP BUNYI DENGAN BAIK.
4
KENYARINGAN BUNYI (KEKUATAN BUNYI)
>>> BERGANTUNG KEPADA AMPLITUD GELOMBANG BUNYI
KELANGSINGAN BUNYI
>>> BERGANTUNG KEPADA FREKUENSI GELOMBANG BUNYI
>>> FREKUENSI DIUKUR DALAM UNIT HERTZ (Hz)
5
FENOMENA GEMA BUNYI
6
7
Multiple Choice
Berapakah had pendengaran manusia?
2 hingga 200 Hz
10 hingga 20000Hz
20 hingga 20000Hz
10 Hingga 10000Hz
8
Multiple Choice
Antara berikut yang manakah BUKAN aplikasi pantulan gelombang bunyi?
Stetoskop
Mesin X- ray
Pembesar suara
Sonar pada kapal nelayan.
by NUR Moe
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