Who discovered that light waves travel as transverse vibrations, contradicting the longitudinal wave model? MCQ with Answer and Explanation

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Who discovered that light waves travel as transverse vibrations, contradicting the longitudinal wave model?

A. Christiaan Huygens

B. Augustin-Jean Fresnel and Thomas Young

C. Isaac Newton

D. James Clerk Maxwell

Answer: Option B

Solution (By JKSSB Mock Tests)

Fresnel and Young demonstrated through polarization experiments that light waves propagate perpendicular to the direction of travel.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The discovery of the Raman Effect, which won the Nobel Prize in Physics in 1930, was made by whom?

A. Jagadish Chandra Bose

B. Satyendra Nath Bose

C. C.V. Raman

D. Homi J. Bhabha

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Correct Answer: Option C

Explanation:
Sir Chandrasekhara Venkata Raman discovered the inelastic scattering of light, known as the Raman Effect, on February 28, 1928.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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The invention of the common synthetic fiber Polyester (PET) was achieved by which research team?

A. Wallace Carothers

B. Leo Baekeland

C. Stephanie Kwolek

D. John Rex Whinfield and James Tennant Dickson

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Correct Answer: Option D

Explanation:
Whinfield and Dickson patented polyethylene terephthalate (Terylene/Polyester) in England in 1941.

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Question #3

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Who is credited with the invention of the World Wide Web (WWW) in 1989?

A. Bill Gates

B. Vint Cerf

C. Alan Turing

D. Tim Berners-Lee

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Correct Answer: Option D

Explanation:
Tim Berners-Lee invented the World Wide Web in 1989 while working at CERN.

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