Who discovered the primary mathematical theorem relating electrical charge distribution to net static electric fields? MCQ with Answer and Explanation

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Who discovered the primary mathematical theorem relating electrical charge distribution to net static electric fields?

A. Carl Friedrich Gauss

B. Charles-Augustin de Coulomb

C. Michael Faraday

D. James Clerk Maxwell

Answer: Option A

Solution (By JKSSB Mock Tests)

Gauss's Law relates net electric flux through a closed boundary surface to the net enclosed chemical charge.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered that certain types of biological fungal spores prevent bacterial cell wall cross-linking, identifying Penicillin's mechanism?

A. Alexander Fleming

B. Howard Florey and Ernst Chain

C. Louis Pasteur

D. Robert Koch

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Correct Answer: Option B

Explanation:
While Fleming discovered penicillin, Florey and Chain isolated and purified the molecule for medical treatment, sharing the 1945 Nobel Prize.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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The invention of the common household safety glass used in car windows was an accidental discovery by whom?

A. King Gillette

B. Leo Baekeland

C. Édouard Bénédictus

D. Roy Plunkett

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Correct Answer: Option C

Explanation:
Bénédictus dropped a glass flask coated with a dried cellulose nitrate plastic film in 103, discovering that the shards held together.

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Question #3

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Who discovered that cosmic celestial entities emit radio signals, establishing the branch of Radio Astronomy?

A. Grote Reber

B. Edwin Hubble

C. Guglielmo Marconi

D. Karl Jansky

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Correct Answer: Option D

Explanation:
Jansky discovered radio emission noise origins from the galactic center in 1931 using directional rotating antenna arrays at Bell Labs.

This question belongs to: Static General Knowledge Inventions and Discoveries

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