Who discovered that the velocity of light transitions through changing gravitational coordinates, establishing the gravitational redshift? MCQ with Answer and Explanation

Question

Who discovered that the velocity of light transitions through changing gravitational coordinates, establishing the gravitational redshift?

A. Arthur Eddington

B. Albert Einstein

C. Isaac Newton

D. Edwin Hubble

Answer: Option B

Solution (By JKSSB Mock Tests)

Einstein's General Theory of Relativity predicted that photons lose energy and shift toward lower frequencies when climbing out of a gravitational well.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The invention of the highly accurate atomic clock configuration using cesium resonance was completed by whom?

A. Albert Einstein

B. Isidor Isaac Rabi

C. Louis Essen and Jack Parry

D. Lord Kelvin

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Correct Answer: Option C

Explanation:
Essen and Parry constructed the first highly functional stable cesium atomic clock standard in 1955 at the National Physical Laboratory.

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Question #2

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

A. Shuji Nakamura

B. Charles K. Kao

C. C.W. Chu

D. Sumio Iijima

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Correct Answer: Option B

Explanation:
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