The invention of the common electronic storage method known as the floppy disk was developed by which company? MCQ with Answer and Explanation
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Question #1
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The electron was discovered in 1897 by which of the following physicists?
Correct Answer: Option D
Explanation:
J.J. Thomson discovered the electron through his experiments with cathode ray tubes in 1897.
J.J. Thomson discovered the electron through his experiments with cathode ray tubes in 1897.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered that the speed of chemical reactions increases when specific non-consumed agents are added, coining the term 'Catalysis'?
Correct Answer: Option D
Explanation:
Berzelius identified chemical catalytic force in 1835, which Ostwald later formalized thermodynamically.
Berzelius identified chemical catalytic force in 1835, which Ostwald later formalized thermodynamically.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the modern mechanical wristwatch was popularized for military utility by which brand/designer?
Correct Answer: Option C
Explanation:
Louis Cartier created the Santos wristwatch in 1904 for pilot Alberto Santos-Dumont, popularizing men's portable wrist watches over pocket variants.
Louis Cartier created the Santos wristwatch in 1904 for pilot Alberto Santos-Dumont, popularizing men's portable wrist watches over pocket variants.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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