
Ondas eletromagnéticas
Quiz
•
Physics
•
5th - 6th Grade
•
Easy
Jocelio Sousa
Used 1+ times
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12 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
O rádio, surgiu por volta de:
1991
1889
1830
1896
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O primeiro a transmitir som sem o auxílio de cabos na cidade de Londres foi:
Jocélio Marinho
Marcos Victor
Guglielmo Marconi
Leonardo da Vinci
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quais as estações de RÁDIO?
Am e Fm
Ma e Mf
Paraiso Fm
Tv verdes mares
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quais as faixas de frequências que operam Am?
entre 54 e 16 kHz
entre 540 e 1600 kHz
entre 540 e 160 kHz
entre 540 e 1600 kHz
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quais as faixas de frequência que opera a rádio Fm?
87,7 e 108 MHz.
87,7 e 108 kHz.
87,7 e 108 GHz.
80 e 100 tHz.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o significado de Am e Fm?
Aumento modulado força modulada
Amplitude modulada e frequência modulada
Amplitude maior e frequência maior
Amplitude menor e frequência maior
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
As transmissões de TV digital via satélite ocorrem na banda UHF (ultra high frequency), compreendida na faixa entre:
470 e 770 KHz.
470 e 770 THz.
470 e 770 GHz.
470 e 770 MHz.
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