The invention of the modern mechanical wristwatch was popularized for military utility by which brand/designer? MCQ with Answer and Explanation

Question
The invention of the modern mechanical wristwatch was popularized for military utility by which brand/designer?
A. Louis Cartier
B. Patek Philippe
C. Abraham-Louis Breguet
D. John Harrison
Answer: Option A
Solution (By JKSSB Mock Tests)
Louis Cartier created the Santos wristwatch in 1904 for pilot Alberto Santos-Dumont, popularizing men's portable wrist watches over pocket variants.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
The invention of the common domestic non-stick cookware surface pan coating was developed using which material?
A. Kevlar
B. Nylon
C. Bakelite
D. PTFE (Teflon) by Marc Grégoire
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Correct Answer: Option D

Explanation:
French engineer Marc Grégoire developed the process to bond Teflon to aluminum pan matrices, founding the Tefal brand.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that light waves exhibit distinct transverse oscillation directions when passing through tourmaline crystals, establishing Polarization?
A. James Clerk Maxwell
B. Isaac Newton
C. Etienne-Louis Malus and Erasmus Bartholin
D. Thomas Young
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Correct Answer: Option C

Explanation:
Bartholin discovered double refraction in Iceland spar, and Malus formalized optical polarization laws by reflection properties.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the modern mechanical reaper, which automated grain harvesting, was patented by whom?
A. Cyrus McCormick
B. John Deere
C. Eli Whitney
D. James Hargreaves
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Correct Answer: Option A

Explanation:
Cyrus McCormick patented the horse-drawn mechanical reaper in 1834, transforming agricultural output.
This question belongs to: Static General Knowledge Inventions and Discoveries
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