Čo predstavuje zvuk hromu?

Vedenie el.prúdu v plynoch a kvapalinách

Quiz
•
Physics
•
9th Grade
•
Medium
Dominika Fraňová
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prudké schladenie vzduchu v okolí vzduchu
Prudké rozpínanie vzduchu v okolí blesku
Náraz elektrického náboja o zem
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akou rýchlosťou sa šíri svetlo?
300 000 km/min
300 000 000 m/s
300 km/s
300 000 m/h
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako sa volal český prírodovedec, ktorý vynašiel v 18.storočí bleskozvod približne v tom istom čase ako Benjamin Franklin?
Václav Prokop Diviš
Jan Amos Komenský
Alexander Sternmuller
Jiří Kadlec
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ak atóm odovzdá elektróny, stáva sa z neho
anión
katión
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akú teplotu môže maximálne dosiahnuť blesk?
2 000 000 °C
35 000 °C
2000°C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Novozélandskí vedci v roku 2000 informovali, že guľový blesk vzniká úderom do pôdy, ktorá je bohatá .....
na síru
na kremík
na fosfor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrický oblúk sa najčastejšie využíva pri
galvanickom pokovovaní
zváraní
zbere kovošrotu
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