Who discovered the presence of cosmic background radiation anisotropy using data from the WMAP satellite instrument? MCQ with Answer and Explanation

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

A. Arno Penzias

B. Edwin Hubble

C. Charles L. Bennett and the NASA team

D. Robert Wilson

Answer: Option C

Solution (By JKSSB Mock Tests)

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

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 chemical transformation layout known as the Solvay process optimized production of what?

A. Nitric Acid

B. Sulfuric Acid

C. Ammonia

D. Sodium Carbonate

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Correct Answer: Option D

Explanation:
Ernest Solvay patented the ammoniacal brine method in 1861, replacing the more expensive Leblanc soda ash synthesis.

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Question #2

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Who is credited with inventing the wireless telegraph (radio communication)?

A. Heinrich Hertz

B. Nikola Tesla

C. Alexander Graham Bell

D. Guglielmo Marconi

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Correct Answer: Option D

Explanation:
Guglielmo Marconi developed the first successful long-distance wireless telegraphy system, winning the Nobel Prize in Physics in 1909.

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Question #3

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Who discovered the primary mathematical theorem relating electrical charge distribution to net static electric fields?

A. Charles-Augustin de Coulomb

B. Michael Faraday

C. Carl Friedrich Gauss

D. James Clerk Maxwell

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Correct Answer: Option C

Explanation:
Gauss's Law relates net electric flux through a closed boundary surface to the net enclosed chemical charge.

This question belongs to: Static General Knowledge Inventions and Discoveries

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