
První hodina
Authored by Adam Sklenar
Science
2nd Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je příčinou kmitání mechanického oscilátoru?
Vnější síla a pravidelné kmitání
Answer explanation
Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je rozdíl mezi tlumeným a netlumeným kmitáním?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je rozdíl mezi kmitáním a vlněním?
Kmitání se nešíří hmotou, vlnění ano.
Kmitání má větší rychlost než vlnění.
Vlnění je stálé, kmitání se nestálé.
Kmitání vždy vyžaduje médium, vlnění ne.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak se mechanické vlnění šíří v látkovém prostředí?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je podmínkou vzniku mechanického vlnění?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co se děje s rychlostí zvuku při přechodu ze vzduchu do vody?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co odpovídá hlasitosti zvuku?
Amplituda zvuku
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