Who discovered the phenomenon of specific heat capacity and latent heat in thermodynamics? MCQ with Answer and Explanation

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Who discovered the phenomenon of specific heat capacity and latent heat in thermodynamics?

A. Joseph Black

B. Lord Kelvin

C. Antoine Lavoisier

D. James Joule

Answer: Option A

Solution (By JKSSB Mock Tests)

Scottish chemist Joseph Black discovered latent heat and specific heat, laying foundations for thermodynamic science.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The periodic table of elements was first proposed in its widely recognized chronological form by whom?

A. Antoine Lavoisier

B. John Newlands

C. Henry Moseley

D. Dmitri Mendeleev

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Correct Answer: Option D

Explanation:
Dmitri Mendeleev published the first widely recognized periodic table in 1869, arranging elements by atomic mass.

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Question #2

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The invention of the carbon filament telephone transmitter (microphone) that improved long-distance audio was done by whom?

A. Alexander Graham Bell

B. Nikola Tesla

C. Thomas Edison

D. David Edward Hughes

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Correct Answer: Option C

Explanation:
Thomas Alva Edison invented the highly efficient carbon microphone, which became standard for telephone transmitters for decades.

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Question #3

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The invention of the first practical steam engine, the atmospheric engine, was completed by whom?

A. Thomas Savery

B. James Watt

C. Thomas Newcomen

D. George Stephenson

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Correct Answer: Option C

Explanation:
Thomas Newcomen constructed the first practical piston-driven condensing atmospheric engine in 1712 to pump water from mines.

This question belongs to: Static General Knowledge Inventions and Discoveries

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