Ondas eletromagnéticas

Ondas eletromagnéticas

5th - 6th Grade

12 Qs

quiz-placeholder

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Ondas eletromagnéticas

Ondas eletromagnéticas

Assessment

Quiz

Physics

5th - 6th Grade

Easy

Created by

Jocelio Sousa

Used 1+ times

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12 questions

Show all answers

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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