SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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telephone
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light bulb
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phonograph
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motion pictures
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Detailed explanation-1: -It was Alexander Graham Bell who patented the telephone in 1876. But Edison, with his knack for building upon others’ innovations, found a way to improve Bell’s transmitter, which was limited in how far apart phones could be by weak electrical current.
Detailed explanation-2: -One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life, contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and telephone.
Detailed explanation-3: -Thomas Edison did not invent the light bulb. He did, however, patent the first commercially viable incandescent light bulb in 1880.
Detailed explanation-4: -The Phonograph. This phonograph was considered the first great invention of Edison’s career, and his life-long favorite. The Light Bulb. The Electrographic Vote Recorder. Magnetic Iron Ore Separator. The Motion Picture. 17-Jun-2016