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. Etienne-Louis Malus and Erasmus Bartholin

B. James Clerk Maxwell

C. Thomas Young

D. Isaac Newton

Answer: Option A

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 mechanical cash layout system tracking mechanism was expanded by which major corporation?

A. IBM

B. NCR (National Cash Register) under John H. Patterson

C. Xerox

D. Microsoft

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Correct Answer: Option B

Explanation:
NCR purchased Ritty's early patents and scaled mechanical register verification across retail networks globally.

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Question #2

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The periodic table of elements was first proposed in its widely recognized chronological form by whom?

A. John Newlands

B. Antoine Lavoisier

C. Dmitri Mendeleev

D. Henry Moseley

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Correct Answer: Option C

Explanation:
Dmitri Mendeleev published the first widely recognized periodic table in 1869, arranging elements by atomic mass.

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Question #3

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Who is credited with the invention of the submarine 'Turtle', used in military action?

A. Robert Fulton

B. John Philip Holland

C. Cornelis Drebbel

D. David Bushnell

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Correct Answer: Option D

Explanation:
David Bushnell invented the Turtle in 1775, the first submarine ever used in combat.

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