Question

Radio was invented by

• A. David Bushnel
• B. J. C. Preier % Likely a misspelling
• C. Graham Bell
• D. Marconi

Hint:

Key figures associated with the development of radio: - James Clerk Maxwell: Theorized electromagnetic waves (1860s). - Heinrich Hertz: Experimentally demonstrated electromagnetic waves (1880s). - Guglielmo Marconi: Developed practical wireless telegraphy systems (radio); awarded Nobel Prize in Physics 1909 (shared with Karl Ferdinand Braun) for contributions to wireless telegraphy. - Nikola Tesla: Significant contributions to AC power systems and radio technology (patents related to radio transmission). - Reginald Fessenden: Pioneer in radio broadcasting, including early voice and music transmissions.

Answer 1

The Correct Option is D

The invention of the radio is a complex history with contributions from many scientists and inventors.
However, Guglielmo Marconi is widely credited with developing and commercializing the first practical radiotelegraph system and is often referred to as the "father of radio.
" He conducted pioneering experiments in wireless telegraphy in the late 19th and early 20th centuries, including the first transatlantic radio transmission in 1901.
Other individuals mentioned or potentially relevant: - David Bushnell: An American inventor known for creating the first submarine used in combat ("Turtle") during the American Revolutionary War.
Not primarily known for radio.
- J.
C.
Preier: This name is not immediately recognizable as a key figure in radio invention; it might be a misspelling or a less prominent contributor.
Key figures include Heinrich Hertz (demonstrated existence of electromagnetic waves), Nikola Tesla (contributions to radio technology, coils, and transmission), Alexander Popov (early radio receiver experiments), and Reginald Fessenden (early voice transmission).
- Alexander Graham Bell: Primarily known for inventing the telephone.
Given the options, Guglielmo Marconi is the most appropriate answer for the invention of radio in the context of a practical communication system.