The modern concept of the chemical bond via shared pairs of electrons (covalent bond) was discovered by whom? MCQ with Answer and Explanation
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Question #1
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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 B
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
Question #2
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Who discovered the precise value of the physical constant detailing the number of structural units in one mole of material?
Correct Answer: Option B
Explanation:
While the constant is named after Avogadro, Jean Perrin calculated its exact value through experimental tracking of Brownian motion, winning a Nobel Prize.
While the constant is named after Avogadro, Jean Perrin calculated its exact value through experimental tracking of Brownian motion, winning a Nobel Prize.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the safety razor with disposable stamped steel blades was introduced by whom?
Correct Answer: Option A
Explanation:
King Camp Gillette patented the safety razor system with cheap, replaceable double-edged blades in 1904.
King Camp Gillette patented the safety razor system with cheap, replaceable double-edged blades in 1904.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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