The discovery of the Raman Effect, which won the Nobel Prize in Physics in 1930, was made by whom? MCQ with Answer and Explanation
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Question #1
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The invention of the first practical household mechanical washing machine is attributed to which developer?
Correct Answer: Option B
Explanation:
Alva J. Fisher is credited with inventing the electric-motor-driven 'Thor' washing machine, introduced by the Hurley Machine Company in 1908.
Alva J. Fisher is credited with inventing the electric-motor-driven 'Thor' washing machine, introduced by the Hurley Machine Company in 1908.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the modern mechanical reaper, which automated grain harvesting, was patented by whom?
Correct Answer: Option C
Explanation:
Cyrus McCormick patented the horse-drawn mechanical reaper in 1834, transforming agricultural output.
Cyrus McCormick patented the horse-drawn mechanical reaper in 1834, transforming agricultural output.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the true nature of combustion as an oxidation process, disproving the phlogiston theory?
Correct Answer: Option D
Explanation:
Antoine Lavoisier demonstrated that combustion involves elements chemically combining with oxygen.
Antoine Lavoisier demonstrated that combustion involves elements chemically combining with oxygen.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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