Who discovered that white light is a mixture of seven fundamental component colors using a prism? MCQ with Answer and Explanation
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Question #1
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Who invented the first practical mechanical television system?
Correct Answer: Option B
Explanation:
John Logie Baird demonstrated the first working mechanical television system in the 1920s.
John Logie Baird demonstrated the first working mechanical television system in the 1920s.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered that the velocity of falling objects is completely independent of their weight in a vacuum?
Correct Answer: Option C
Explanation:
Galileo mathematically disproved Aristotle's weight-proportional velocity model via rigorous acceleration measurements down inclined tracks.
Galileo mathematically disproved Aristotle's weight-proportional velocity model via rigorous acceleration measurements down inclined tracks.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that electrical currents travel along the exterior surface of a conductor rather than uniformly through its core?
Correct Answer: Option D
Explanation:
Michael Faraday discovered the skin effect and structural shielding principles, leading to the creation of the Faraday Cage.
Michael Faraday discovered the skin effect and structural shielding principles, leading to the creation of the Faraday Cage.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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