The invention of the fiber-optic communication system was revolutionized by the research of which Anglo-Chinese physicist? MCQ with Answer and Explanation

Question

The invention of the fiber-optic communication system was revolutionized by the research of which Anglo-Chinese physicist?

A. C.W. Chu

B. Charles K. Kao

C. Shuji Nakamura

D. Sumio Iijima

Answer: Option B

Solution (By JKSSB Mock Tests)

Charles K. Kao won the 2009 Nobel Prize in Physics for groundbreaking achievements concerning the transmission of light in fibers for optical communication.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The invention of the common electronic system known as the microprocessor architecture layout was scaled by which engineer?

A. Federico Faggin, Ted Hoff, and Stanley Mazor

B. Alan Turing

C. John von Neumann

D. Jack Kilby

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Correct Answer: Option A

Explanation:
Faggin led the design layout of the Intel 4004 silicon chip in 1971, implementing full computing logic inside a single component.

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Question #2

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Who discovered the presence of cosmic background radiation anisotropy using data from the WMAP satellite instrument?

A. Robert Wilson

B. Arno Penzias

C. Edwin Hubble

D. Charles L. Bennett and the NASA team

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Correct Answer: Option D

Explanation:
The Wilkinson Microwave Anisotropy Probe mapped localized density variations in primordial background energy structures with high precision.

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