Who invented the lightning rod and bifocal lenses? MCQ with Answer and Explanation
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Question #1
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Who discovered that atomic particle configurations include a heavy uncharged component, predicting the Neutron before its physical extraction?
Correct Answer: Option C
Explanation:
Rutherford postulated the existence of a tightly bound proton-electron neutral pair in 1920, which Chadwick later isolated as the neutron.
Rutherford postulated the existence of a tightly bound proton-electron neutral pair in 1920, which Chadwick later isolated as the neutron.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered the law of planetary gravitation, formalizing that attractive force is inversely proportional to square distance?
Correct Answer: Option A
Explanation:
Sir Isaac Newton published the Universal Law of Gravitation in his monumental work 'Principia Mathematica' in 1687.
Sir Isaac Newton published the Universal Law of Gravitation in his monumental work 'Principia Mathematica' in 1687.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the process of nuclear fission in heavy elements, winning the Nobel Prize in Chemistry in 1944?
Correct Answer: Option C
Explanation:
German chemist Otto Hahn discovered nuclear fission of uranium in 1938 alongside Fritz Strassmann.
German chemist Otto Hahn discovered nuclear fission of uranium in 1938 alongside Fritz Strassmann.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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