Inglês, perguntado por sophiee2, 7 meses atrás

" How did the radio originate?"



"Many scientists dreamed of discovering a way to wireless communication, but didn't succeed until the late nineteenth century."


"[Heinrich Hertz] demonstrated that waves [...] could be reflected by a metal sheet".


" All that was left was the Russian, Popov ( Alexandre Popoff), to create vertical metal pole [...]"


" This led to the creation of the first radio transmitter..."


4- Which of theses statements about the radio are true? Answer in your notebook.


A- The invention of the radio was possible at beginning of the 19th century.


B- James Clerk Maxwell invented the first radio.


C- In 1888, Heinrich Hertz tested Maxwell's assumption.


D- Hertz experiment was replicated by Marconi without much sucess.



E- Temistocle named the coherer in 1888.


F- Scientists found that radio communication involves the transmission of electromagnetic waves.​

Soluções para a tarefa

Respondido por niiyo
0

Resposta:

F

Explicação:


sophiee2: Só ela?
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