1.

Which of the following groups of electronic scientists has been given in an order chronologically?

A. Guglielmo (G.) Marconi, Lumiere Brothers, Lee forest, John Fleming and John Logie Baird
B. John Logie Baird, Lumiere Brothers, Guglielmo (G.) Marooni, Lee forest and John Fleming
C. Lee forest, John Fleming, Lumiere Brothers, Guglielmo (G.) Marooni and John Logie Baird
D. Lumiere Brothers, Guglielmo (G.) Marconi, Lee forest, John Fleming and John Logie Baird
Answer» E.


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