
10.2 KELANGSINGAN DAN KENYARINGAN BUNYI
Presentation
•
Science
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8th Grade
•
Hard
SIAW Moe
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22 Slides • 15 Questions
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4 NOVEMBER 2021
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10.2.1 Menerangkan frekuensi bunyi dan unitnya serta amplitud getaran.
10.2.2 Menghubungkaitkan frekuensi dengan kelangsingan.
10.2.3. Menghubungkaitkan amplitud dengan kenyaringan.
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BILANGAN GELOMBANG TIDAK BERUBAH
AMPLITUD BERUBAH (KERANA GELOMBANG LEBIH TINGGI = LEBIH NYARING)
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AMPLITUD TIDAK BERUBAH (KERANA BERGANTUNG PADA FREKUENSI)
BILANGAN GELOMBANG YANG BERTAMBAH = LEBIH LANGSING
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Multiple Choice
Apakah X?
Panjang gelombang
Wavelength
Amplitud
Amplitude
Frekuensi
Frequency
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Multiple Choice
Apakah X?
What is X?
Frekuensi
frequency
Panjang gelombang
Wavelength
Amplitud
Amplitude
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Multiple Choice
Frekuensi gelombang bunyi diukur dalam unit ____
The frequency of sound waves is measured in units ____
Kelvin
meter
hertz
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Multiple Choice
Kelangsingan bunyi bergantung pada frekuensi gelombang bunyi yang dihasilkan.
Sound pitch depends on the frequency of the sound wave being produced.
Betul / True
Salah / False
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Multiple Choice
Kelangsingan bunyi bergantung kepada ______ bunyi yang dihasilkan.
Pitch of sound depends on the ______ of the sound produced.
amplitud/amplitude
frekuensi/frequency
jumlah/intensity
kelantangan bunyi/volume of sound
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Multiple Choice
Lembu menghasilkan bunyi berfrekuensi _______.
The mooing of a cow is a ____ frequensy sound.
tinggi
high
lambat
slow
rendah
low
laju
fast
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Multiple Choice
Apakah ciri bunyi yang ditentukan oleh amplitud?
Which feature of sound is determined by amplitude?
Kelangsingan/Pitch
Kelembutan/ Smoothness
Kenyaringan/ Loudness
Gelombang/ A Wave
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Fill in the Blanks
Bunyi tikus mendecit ialah bunyi berfrekuensi _______.
The squeaking of a rat is a _____ frequency sound.
Type answer...
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Multiple Choice
Sekiranya jarak yang diwakili oleh huruf A meningkat, bagaimanakah ia mengubah bunyi yang didengar?
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
Bunyi akan menjadi tinggi/ The sound would be higher.
Bunyi menjadi lebih rendah/ The sound would be lower.
Bunyi menjadi lebih lembut/The sound would be softer.
Bunyi menjadi lebih nyaring/ The sound would be louder.
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Multiple Choice
Apabila membandingkan dua gelombang yang ditunjukkan, bagaimanakah gelombang hijau berbeza daripada gelombang hitam?
When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?
Kedua-dua gelombang mempunyai amplitude yang sama, tetapi gelombang hitam mempunyai frekuensi yang lebih rendah.
Both have the same amplitude, but black wave has a lower frequency.
Kedua-dua mempunyai amplitud yang sama, tetapi gelombang hijau mempunyai frekuensi yang lebih rendah.
Both have the same amplitude, but green wave has a lower frequency.
Kedua-duanya mempunyai frequensi yang sama, tetapi gelombang hijau menghasilkan bunyi yang lembut.
Both have the same frequency, but green wave is a softer sound.
Kedua-duanya mempunyai frekuensi yang sama, tetapi gelombang hitam menghasilkan bunyi yang lebih lembut.
Both have the same pitch, but black wave produces a softer sound.
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Multiple Choice
Apabila bunyi menjadi semakin nyaring apakah ukuran yang menjadi semakin besar?
When a sound is louder what measurement gets bigger?
Frekuensi/Frequency
Amplitud/Amplitude
Panjang Gelombang/Wavelength
Puncak/ Crest
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Multiple Select
Apakah DUA faktor yang menyebabkan kesan Doppler?
What are the TWO factors that cause Doppler effects?
Frekuensi gelombang
Frequency of waves
Amplitud gelombang
The amplitude of the wave
Pergerakan relatif sumber bunyi
Relative movement of sound sources
Pergerakan relatif pemerhati
Relative movement of observers
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Multiple Select
Pilih pernyataan yang benar mengenai kelangsingan bunyi...TP3
Kelangsingan digambarkan sebagai KEKUATAN bunyi
Frekuensi bunyi, f adalah bilangan ayunan yang terjadi dalam satu saat. Frekuensi diukur dalam unit Hertz (Hz)
Kelangsingan bergantung pada frekuensi
Semakin tinggi frekuensi bunyi, semakin tinggi kelangsingan bunyi
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Open Ended
NAMA PENUH
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Poll
KELAS
2 CEMERLANG
2 JAYA
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