
LJUD
Authored by Emilia Heikinm�ki
Physics
7th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Varför hörs inget ljud i rymden?
Det finns inget materia i rymden
Det är för tätt med luft i rymden
Det är för mörkt i rymden
Ljudet svänger för snabbt i rymden
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vad kallas ett föremål som svänger?
Accelerator
Oscillator
Magnetisator
Spegel
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vad är människans hörselområde?
20-200 Hz
2-2000 Hz
20 - 2000 Hz
20 - 20000 Hz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I vilken enhet mäts ljudstyrka?
Herz
Decibel
km/h
m/s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vilken av tonerna har det högsta ljudet?
10 Hz
100 Hz
1000 Hz
10000 Hz
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vad kallas ljud med högre frekvens än det mänskliga hörselområdet?
Infraljud
Hörbart ljud
Ultraljud
Ultraviolett ljud
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hur kan man få en gitarrs ton att bli lägre?
Spänn strängarna
Gör strängen tjockare
Gör strängen tunnare
Gör strängen kortare
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