The invention of the first functional synthetic dye, Mauveine, was an accidental discovery by which young chemist? MCQ with Answer and Explanation
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Question #1
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Who discovered that electrical currents alter physical molecular rotation under polarized light fields, establishing the Faraday Effect?
Correct Answer: Option B
Explanation:
Faraday proved electromagnetism and optical light travel systems interact directly by rotating light polarization planes using magnetic fields in 1845.
Faraday proved electromagnetism and optical light travel systems interact directly by rotating light polarization planes using magnetic fields in 1845.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of synthetic nylon fiber, which replaced silk in textiles, was led by which chemist at DuPont?
Correct Answer: Option B
Explanation:
Wallace Carothers invented Nylon (Polyamide 6,6) and Neoprene synthetic rubber in the 1930s.
Wallace Carothers invented Nylon (Polyamide 6,6) and Neoprene synthetic rubber in the 1930s.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the existence of the Van Allen Radiation Belts surrounding the Earth?
Correct Answer: Option B
Explanation:
James Van Allen discovered the zones of trapped charged particles around Earth using data from the Explorer 1 satellite in 1958.
James Van Allen discovered the zones of trapped charged particles around Earth using data from the Explorer 1 satellite in 1958.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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