

Bunyi
Presentation
•
Science
•
4th Grade
•
Hard
Eka Yuli
FREE Resource
4 Slides • 2 Questions
1
Bunyi

2
BUNYI
Bunyi adalah energi yang dapat didengar oleh indra pendengaran. Bunyi dihasilkan oleh benda yang bergetar.
3
Bunyi
Tinggi rendah bunyi ditentukan oleh frekuensi.
Kuat lemah bunyi ditentukan oleh amplitudo.
Banyaknya getaran per detik disebut frekuensi.
4
Bunyi berdasarkan frekuensinya :
Infrasonik : bunyi yang memiliki frekuensi dibawah 20 Hz.
Audiosonik : Bunyi yang memiliki getaran antara 20 - 20.000 Hz.
Ultrasonik : bunyi yang memiliki getaran diatas 20.000 Hz.
5
Multiple Choice
Bunyi yang mempunyai frekuensi diatas 20.000 Hz adalah ....
infrasonik
audiosonik
ultrasonik
supersonik
6
Fill in the Blanks
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Bunyi

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