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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Who discovered the antibiotic Streptomycin, the first effective cure for tuberculosis, winning a Nobel Prize in 1952?

A. Selman Waksman

B. Howard Florey

C. Alexander Fleming

D. Edward Abraham

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Correct Answer: Option A

Explanation:
Selman Waksman discovered several antibiotics produced by soil microbes, including streptomycin.

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Question #2

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Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?

A. Michael Faraday

B. Georg Ohm

C. Luigi Galvani and Alessandro Volta

D. Humphry Davy

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Correct Answer: Option C

Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.

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Question #3

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Who discovered the phenomenon of radioactivity in 1896?

A. Marie Curie

B. Wilhelm Röntgen

C. Henri Becquerel

D. Ernest Rutherford

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Correct Answer: Option C

Explanation:
Henri Becquerel discovered radioactivity in 1896 while working with uranium salts, for which he shared the 1903 Nobel Prize in Physics.

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