Who invented the high-pressure industrial chemical synthesis of ammonia from raw nitrogen and hydrogen gases? MCQ with Answer and Explanation
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Question #1
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Who is credited with inventing the wireless telegraph (radio communication)?
Correct Answer: Option A
Explanation:
Guglielmo Marconi developed the first successful long-distance wireless telegraphy system, winning the Nobel Prize in Physics in 1909.
Guglielmo Marconi developed the first successful long-distance wireless telegraphy system, winning the Nobel Prize in Physics in 1909.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who invented the first practical mechanical television system?
Correct Answer: Option C
Explanation:
John Logie Baird demonstrated the first working mechanical television system in the 1920s.
John Logie Baird demonstrated the first working mechanical television system in the 1920s.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that regular arrays of atoms act as diffraction gratings for X-rays, establishing X-ray crystallography?
Correct Answer: Option C
Explanation:
Max von Laue discovered X-ray diffraction by crystals in 1912, proving the wave nature of X-rays and structural lattice layouts.
Max von Laue discovered X-ray diffraction by crystals in 1912, proving the wave nature of X-rays and structural lattice layouts.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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