The invention of the carbon-14 dating technique to determine the age of organic materials was developed by whom? MCQ with Answer and Explanation

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The invention of the carbon-14 dating technique to determine the age of organic materials was developed by whom?

A. Otto Hahn

B. Marie Curie

C. Willard Libby

D. Ernest Rutherford

Answer: Option C

Solution (By JKSSB Mock Tests)

Willard Libby led the team that developed radiocarbon dating in 1949, winning the 1960 Nobel Prize in Chemistry.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The invention of the common chemical process for mass-producing high-grade steel from molten pig iron is named after whom?

A. Carl Wilhelm Siemens

B. Andrew Carnegie

C. Henry Bessemer

D. James Watt

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Correct Answer: Option C

Explanation:
The Bessemer Process removes structural impurities via air blasting through molten iron matrices, decreasing production costs.

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Question #2

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The invention of the common electrical structural device known as the coaxial cable was patented in its modern form by whom?

A. Alexander Graham Bell

B. Lloyd Espenschied and Herman Affel

C. Michael Faraday

D. Nikola Tesla

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Correct Answer: Option B

Explanation:
Espenschied and Affel engineered the concentric dual-conductor configuration at Bell Labs in 1929 for high-frequency radio networks.

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Question #3

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Who discovered that stable elements possess unique integer identifiers based on X-ray emission frequencies, restructuring atomic numbers?

A. Henry Moseley

B. J.J. Thomson

C. Dmitri Mendeleev

D. Ernest Rutherford

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Correct Answer: Option A

Explanation:
Moseley proved that ordering chemical elements by nuclear charge (atomic number) resolved inconsistencies in Mendeleev's mass-ordered layout.

This question belongs to: Static General Knowledge Inventions and Discoveries

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