Who discovered that atomic electronic distributions can be mapped inside multi-dimensional coordinate grids, formulating Matrix Mechanics? MCQ with Answer and Explanation

Question
Who discovered that atomic electronic distributions can be mapped inside multi-dimensional coordinate grids, formulating Matrix Mechanics?
A. Niels Bohr
B. Erwin Schrödinger
C. Werner Heisenberg, Max Born, and Pascual Jordan
D. Wolfgang Pauli
Answer: Option C
Solution (By JKSSB Mock Tests)
Heisenberg formulated matrix quantum mechanics in 1925, which Born and Jordan mathematically structured into matrix arrays.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered that the Earth's core is divided into solid inner and liquid outer layers?
A. Andrija Mohorovičić
B. Charles Richter
C. Inge Lehmann
D. Beno Gutenberg
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Correct Answer: Option C

Explanation:
Danish seismologist Inge Lehmann discovered the Earth's solid inner core in 1936 by studying seismic wave travel paths.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
The discovery of heavy water (deuterium oxide) was achieved by which physical chemist?
A. Gilbert N. Lewis
B. Enrico Fermi
C. Harold Urey
D. Otto Hahn
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Correct Answer: Option C

Explanation:
Harold Urey isolated deuterium in 1931 by fractionally distilling liquid hydrogen, winning the 1934 Nobel Prize in Chemistry.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the common automotive safety equipment known as the three-point seatbelt was patented by whom?
A. Karl Benz
B. Henry Ford
C. Nils Bohlin for Volvo
D. Garrett Morgan
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Correct Answer: Option C

Explanation:
Swedish engineer Nils Bohlin developed the modern cross-lap safety harness configuration in 1959, saving countless lives across traffic boundaries.
This question belongs to: Static General Knowledge Inventions and Discoveries
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