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