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UH GELOMBANG BUNYI XI A 1

Authored by Firdausi Firdausi

Physics

11th Grade

Used 1+ times

UH GELOMBANG BUNYI XI A 1
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berdasarkan medium perambatannya bunyi termasuk gelombang...

elektromagnetik

elektromekanik

elektrodinamik

magnetik

mekanik

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tinggi rendahnya nada dipengaruhi oleh...

amplitudo

panjang gelombang

cepat rambat gelombang

frekuensi

medium

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

kuat/lemahnya (volume) bunyi dipengaruhi oleh...

amplitudo

panjang gelombang

cepat rambat gelombang

frekuensi

medium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berdasarkan arah getar dan rambatnya, bunyi termasuk gelombang...

elektromagnetik

elektromekanik

longitudinal

magnetik

mekanik

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Faqih berdiri di halte menunggu bus. Sebuah mobil ambulan melintas menuju halte bus dengan membunyikan sirine berfrekuensi 640 Hz. Jika laju mobil ambulan 20 m/s (72 km/jam) dan laju bunyi di udara 340 m/s, frekuensi sirine yang di dengar Faqih adalah...

600 Hz

640 Hz

650 Hz

690 Hz

680 Hz

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Bunyi guntur memilliki Taraf Intensitas 90 dB. Besar intensitasnya adalah... W/m2

9 x 10-3

3 x 10-3

1 x 10-3

9 x 10-6

1 x 10-6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Intensitas sebuah sumber bunyi sebesar 10-7 W/m2. Taraf Intensitas 10 bunyi identik adalah...

40 dB

50 dB

60 dB

70 dB

80 dB

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