The cosmic microwave background radiation, confirming the Big Bang theory, was discovered by whom? MCQ with Answer and Explanation

Question
The cosmic microwave background radiation, confirming the Big Bang theory, was discovered by whom?
A. Stephen Hawking
B. Albert Einstein
C. Arno Penzias and Robert Wilson
D. Edwin Hubble
Answer: Option C
Solution (By JKSSB Mock Tests)
Arno Penzias and Robert Wilson accidentally discovered cosmic microwave background radiation in 1964, winning a Nobel Prize.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Practice More Inventions and Discoveries Questions

Question #1
The invention of the common computing operating system layout known as Unix was co-developed by whom?
A. Steve Jobs
B. Linus Torvalds
C. Ken Thompson and Dennis Ritchie
D. Bill Gates
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Correct Answer: Option C

Explanation:
Thompson and Ritchie engineered Unix at Bell Labs in 1969, establishing foundational standards for multitasking operating systems.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that stable elements possess unique integer identifiers based on X-ray emission frequencies, restructuring atomic numbers?
A. Henry Moseley
B. J.J. Thomson
C. Ernest Rutherford
D. Dmitri Mendeleev
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Correct Answer: Option A

Explanation:
Moseley proved that ordering chemical elements by nuclear charge (atomic number) resolved inconsistencies in Mendeleev's mass-ordered layout.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered that light exhibits particle-like momentum in scattering collisions with electrons, proving photon theory?
A. Niels Bohr
B. Albert Einstein
C. Arthur Compton
D. Max Planck
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Correct Answer: Option C

Explanation:
Arthur Compton discovered the Compton Effect in 1923, providing explicit proof that light acts as discrete localized particles.
This question belongs to: Static General Knowledge Inventions and Discoveries
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