The concept of absolute zero temperature and the thermodynamic scale was discovered by whom? MCQ with Answer and Explanation

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The concept of absolute zero temperature and the thermodynamic scale was discovered by whom?

A. Lord Kelvin

B. Anders Celsius

C. James Joule

D. Daniel Gabriel Fahrenheit

Answer: Option A

Solution (By JKSSB Mock Tests)

William Thomson, later Lord Kelvin, proposed the absolute thermodynamic scale of temperature in 1848.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The invention of the common computing tracking protocol known as the Ethernet local network architecture was co-developed by whom?

A. Douglas Engelbart

B. Vint Cerf

C. Robert Metcalfe

D. Tim Berners-Lee

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Correct Answer: Option C

Explanation:
Robert Metcalfe co-invented Ethernet at Xerox PARC in 1973, linking internal computer terminals across localized hardware networks.

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Question #2

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Who discovered that the chemical element Titanium is isolated from dark mineral iron sand matrices?

A. Martin Heinrich Klaproth

B. Antoine Lavoisier

C. Jöns Jacob Berzelius

D. William Gregor

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Correct Answer: Option D

Explanation:
English clergyman William Gregor discovered titanium in ilmenite mineral sands in 1791, naming it 'menaccanite'.

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Question #3

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The invention of the highly reflective silver glass surface mirror layout was developed by which chemist?

A. Antoine Lavoisier

B. Justus von Liebig

C. Robert Bunsen

D. Carl Wilhelm Scheele

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Correct Answer: Option B

Explanation:
Liebig developed the chemical process of depositing thin metallic silver onto glass panes using chemical reduction reactions in 1835.

This question belongs to: Static General Knowledge Inventions and Discoveries

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