
Kvíz o elektromagnetických vlnách
Authored by Martina Patašiová
Science
12th Grade
Used 1+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aká je rýchlosť elektromagnetických vĺn vo vákuu?
300 000 km/s
450 000 km/s
150 000 km/s
600 000 km/s
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ktoré z nasledujúcich žiarení má najvyššiu energiu?
Rádiové vlny
Infračervené žiarenie
Mikrovlny
Röntgenové žiarenie
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ktorý typ elektromagnetických vĺn sa používa v televízii?
Ultrafialové žiarenie
Viditeľné svetlo
Rádiové vlny
Gamma žiarenie
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aký je hlavný spôsob šírenia elektromagnetických vĺn pri satelitnej televízii?
Odraz
Vedenie vln prostredníctvom vodičov
Lomy a ohyby
Priame vlny
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ktoré z nasledujúcich zariadení využíva infračervené žiarenie?
Televízor
Diaľkový ovládač
GPS systém
Mikrovlnná rúra
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na akých frekvenciách pracuje WiFi?
1,2 GHz a 2,4 GHz
2,4 GHz a 5 GHz
5 GHz a 10 GHz
10 GHz a 20 GHz
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ktoré žiarenie spôsobuje opálenie pokožky?
Röntgenové žiarenie
Ultrafialové žiarenie
Viditeľné svetlo
Mikrovlny
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