
Akustik och hörseln
Quiz
•
Science
•
7th - 9th Grade
•
Medium

Jeanette -
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18 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Vad gör ljudkällan för att skapa en ljudvåg?
låter
vibrerar
fusion
ingenting alls
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Vårt hörselomfång är
20 - 20 000 Hz
20 - 20 000 dB
440 Hz
200 - 2000 Hz
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ljud med frekvenser under 20 Hz kallas
ultraljud
oljud
buller
infraljud
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ljud med frekvenser över 20 000 Hz kallas
melodier
ultraljud
infraljud
toner
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Våra hörselben heter
snäckan och örontrumpeten
öronmusslan och båggångarna
hammaren, städet och stigbygeln
hammaren, spiken och muttern
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En ton med hög frekvens är ... än en ton med lägre frekvens
starkare
svagare
mörkare
ljusare
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ljudets hastighet i luft är
340 km/s
340 m/s
300 000 m/s
1 500 m/s
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