The invention of the common mechanical windshield wiper for automobiles was patented by whom? MCQ with Answer and Explanation
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Question #1
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The expanding nature of the universe was discovered by which astronomer?
Correct Answer: Option D
Explanation:
Edwin Hubble discovered in 1929 that galaxies are moving away from each other, indicating that the universe is expanding.
Edwin Hubble discovered in 1929 that galaxies are moving away from each other, indicating that the universe is expanding.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the first functional high-voltage electrostatic generator capsule was designed by whom?
Correct Answer: Option D
Explanation:
Van de Graaff invented the high-potential belt-driven static generator in 1929 for particle acceleration experiments.
Van de Graaff invented the high-potential belt-driven static generator in 1929 for particle acceleration experiments.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the machine gun is historically associated with which American inventor?
Correct Answer: Option D
Explanation:
Richard Gatling invented the Gatling gun, the first highly successful rapid-fire multi-barrel machine gun, during the American Civil War.
Richard Gatling invented the Gatling gun, the first highly successful rapid-fire multi-barrel machine gun, during the American Civil War.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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