The invention of the common household aerosol spray can configuration was developed 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 wind tunnel for testing aerodynamic structures was first successfully built by whom?
Correct Answer: Option D
Explanation:
Francis Herbert Wenham designed and operated the first enclosed operational wind tunnel in 1871 for the Aeronautical Society of Great Britain.
Francis Herbert Wenham designed and operated the first enclosed operational wind tunnel in 1871 for the Aeronautical Society of Great Britain.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the composition of water as a compound of hydrogen and oxygen gases?
Correct Answer: Option D
Explanation:
Henry Cavendish observed that burning hydrogen produces water, and Antoine Lavoisier correctly identified it as a compound rather than a base element.
Henry Cavendish observed that burning hydrogen produces water, and Antoine Lavoisier correctly identified it as a compound rather than a base element.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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