Who discovered the first human virus ever identified, the Yellow Fever virus? MCQ with Answer and Explanation
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Question #1
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The first modern steam locomotive, 'Rocket', was built by which engineer?
Correct Answer: Option D
Explanation:
George Stephenson and his son Robert built the 'Rocket' in 1829, setting the standard for future steam railways.
George Stephenson and his son Robert built the 'Rocket' in 1829, setting the standard for future steam railways.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered that the speed of light is constant in all inertial frames of reference, forming the basis of Special Relativity?
Correct Answer: Option A
Explanation:
Albert Einstein postulated that the speed of light in a vacuum is invariant, irrespective of the motion of the source or observer.
Albert Einstein postulated that the speed of light in a vacuum is invariant, irrespective of the motion of the source or observer.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that electrical currents pass through vacuum cavities via discrete streams named 'Cathode Rays'?
Correct Answer: Option D
Explanation:
Plücker observed early glow phenomena, and Crookes engineered highly evacuated discharge tubes to isolate ray behaviors.
Plücker observed early glow phenomena, and Crookes engineered highly evacuated discharge tubes to isolate ray behaviors.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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