
Drgania i fale - klasa 8
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Medium
Wioletta Majka
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38 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dźwięk o częstotliwości równej 3,40 Hz to:
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Amplituda przedstawionej na wykresie fali wynosi:
4 cm
0,4 s
2 cm
0,2 s
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oceń czy zdanie jest prawdziwe, czy fałszywe.
Podczas ruchu kulki z położenia III do położenia II prędkość kulki rośnie.
Prawda
Fałsz
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Natężenie dźwięku wyrażamy w
watach
decybelach
metrach
hercach
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jeśli częstotliwość fali wynosi 0,25 Hz, to okres drgań jest równy:
25 s
0,5 s
2 s
4 s
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jaką częstotliwość mają dźwięki słyszane przez człowieka?
16Hz- 20 Hz
16 Hz - 20 kHz
16 kHz - 20 kHz
16kHz - 20 Hz
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Które z fal należą do fal elektromagnetycznych?
fale dźwiękowe
fale radiowe
fale na morzu
ultradźwięki
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