Who developed the first successful polio vaccine in 1955? MCQ with Answer and Explanation
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Question #1
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Who discovered that atomic particle paths can be tracked via condensation trails inside gas chambers, establishing the Cloud Chamber?
Correct Answer: Option B
Explanation:
C.T.R. Wilson invented the cloud chamber in 1911 to study cloud formations, which became an invaluable tool for nuclear tracking and cosmic ray discoveries.
C.T.R. Wilson invented the cloud chamber in 1911 to study cloud formations, which became an invaluable tool for nuclear tracking and cosmic ray discoveries.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the common electronic operating layout known as the Graphical User Interface (GUI) was pioneered by which lab?
Correct Answer: Option A
Explanation:
Xerox Palo Alto Research Center (PARC) engineered the Alto computer featuring mouse-driven windows, menus, and file icons.
Xerox Palo Alto Research Center (PARC) engineered the Alto computer featuring mouse-driven windows, menus, and file icons.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the radioactive gas Radon in 1900?
Correct Answer: Option D
Explanation:
Friedrich Ernst Dorn discovered radon while studying the radioactive decay chain of radium emissions.
Friedrich Ernst Dorn discovered radon while studying the radioactive decay chain of radium emissions.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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