
Akustika - Kvíz
Authored by Jiří Dušek
Physics
9th Grade
Used 13+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je akustika?
Nauka o světle
Nauka o zvuku
Nauka o magnetismu
Nauka o elektřině
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakou jednotkou se měří frekvence zvuku?
Newton
Decibel
Hertz
Volt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaké je přibližné rozpětí slyšitelných frekvencí pro člověka?
0 až 20 Hz
20 Hz až 20 kHz
200 Hz až 20 MHz
20 kHz až 200 kHz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co ovlivňuje výšku tónu zvuku?
Amplituda zvukové vlny
Frekvence zvukové vlny
Rychlost zvuku
Hlasitost
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Který materiál je nejlepší pro pohlcování zvuku?
Kov
Sklo
Beton
Pěnová hmota
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakou rychlostí se zvuk šíří ve vzduchu za normálních podmínek?
300 km/h
343 m/s
1000 m/s
1 km/h
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je ozvěna?
Když se zvuk rozplyne ve vzduchu
Když se zvuk odrazí od povrchu a vrátí zpět
Když zvuk zanikne
Když se zvuk zesílí
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