The fundamental principle of fluid mechanics stating that internal pressure drops as fluid velocity increases was discovered by whom? MCQ with Answer and Explanation

Question

The fundamental principle of fluid mechanics stating that internal pressure drops as fluid velocity increases was discovered by whom?

A. Archimedes

B. Blaise Pascal

C. Daniel Bernoulli

D. Isaac Newton

Answer: Option C

Solution (By JKSSB Mock Tests)

Daniel Bernoulli published Bernoulli's Principle in his book 'Hydrodynamica' in 1738.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The invention of the common chemical element symbol notation system ($H, O, Ca$) used today was developed by whom?

A. Antoine Lavoisier

B. Dmitri Mendeleev

C. Jöns Jacob Berzelius

D. John Dalton

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Correct Answer: Option C

Explanation:
Berzelius introduced letter symbols based on Latin element names in 1813, replacing Dalton's cumbersome symbolic diagrams.

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Question #2

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Who invented the printing press with movable type around 1440?

A. William Caxton

B. Leonardo da Vinci

C. Johannes Gutenberg

D. Bi Sheng

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Correct Answer: Option C

Explanation:
Johannes Gutenberg introduced movable-type printing to Europe, sparking the Printing Revolution.

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Question #3

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The invention of the common household device known as the electric food blender was developed by whom?

A. Alva Fisher

B. Thomas Edison

C. Stephen Poplawski

D. George Schneider

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Correct Answer: Option C

Explanation:
Poplawski patented the bottom-motor container cutting blender mechanism in 1922 to prepare fountain soda drinks.

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