Who discovered that light waves exhibit distinct transverse oscillation directions when passing through tourmaline crystals, establishing Polarization? MCQ with Answer and Explanation

Question

Who discovered that light waves exhibit distinct transverse oscillation directions when passing through tourmaline crystals, establishing Polarization?

A. James Clerk Maxwell

B. Thomas Young

C. Etienne-Louis Malus and Erasmus Bartholin

D. Isaac Newton

Answer: Option C

Solution (By JKSSB Mock Tests)

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

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Question #1

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The invention of the common automotive safety equipment known as the three-point seatbelt was patented by whom?

A. Nils Bohlin for Volvo

B. Henry Ford

C. Karl Benz

D. Garrett Morgan

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Correct Answer: Option A

Explanation:
Swedish engineer Nils Bohlin developed the modern cross-lap safety harness configuration in 1959, saving countless lives across traffic boundaries.

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Question #2

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The invention of the common medical diagnostic tracking method known as the western blot for separating protein chains was developed by whom?

A. W. Neal Burnette

B. Alec Jeffreys

C. Edwin Southern

D. Kary Mullis

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Correct Answer: Option A

Explanation:
Burnette engineered the electroblotting analytical matrix protocol in 1979, naming it 'Western Blot' as a play on Southern's DNA blot method.

This question belongs to: Static General Knowledge Inventions and Discoveries