

Sains Tingkatan Dua
Presentation
•
Science
•
8th Grade
•
Hard
Chan SHt
Used 2+ times
FREE Resource
8 Slides • 8 Questions
1
Sains Ting 2 Cg Chan
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3
4
5
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9
Multiple Choice
Apabila suatu objek bergetar, tenaga __________ bertukar kepada tenaga ___________ .
When an object vibrates, __________ energy converts to ___________ energy.
kinetik; bunyi
kinetic; sound
haba; cahaya
heat; light
kinetik; getaran
kinetic ; vibration
gelombang; bunyi
wave ; sound
10
Multiple Choice
Bunyi pantul yang terdengar setelah bunyi asli disebut...
a.gaung
b.gema
c. nada
d. desah
11
Multiple Choice
Kelelawar dapat berburu pada malam hari dengan menggunakan bunyi...
a. infrasonik
b. audiosonik
c. supersonik
d. ultrasonik
12
Multiple Choice
Ikan lumba - lumba menghasilkan bunyi yang
kuat
Berfrekuensi tinggi
Nyaring
Amplitud tinggi
13
Multiple Choice
Gelombang bunyi yang dihasilkan oleh jet supersonik boleh
Meruntuhkan bangunan
Meletupkan tangki gas
Mencederakan manusia
Meretakkan bangunan kaca
14
Multiple Select
Alat yang boleh digunakan untuk mengatasi had deria pendengaran termasuklah
Megafon
Mikroskop
Stetoskop
Alat bantu pendengaran
15
Multiple Choice
Had pendengaran bagi manusia adalah dalam julat ...
16 - 12000 Hz
20 - 20000 Hz
40 - 100 000 Hz
67 - 45000 Hz
16
Multiple Choice
Seorang anak berteriak dengan suara keras di depan gua. Setelah 2 saat kemudian terdengar gema suaranya. jika kelajuan bunyi di udara 340 m/s, maka kedalaman gua tersebut adalah .....
100 m
170 m
340 m
680 m
Sains Ting 2 Cg Chan
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