Who is credited with the invention of the telephone in 1876? MCQ with Answer and Explanation
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Question #1
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Who is credited with the invention of the World Wide Web (WWW) in 1989?
Correct Answer: Option B
Explanation:
Tim Berners-Lee invented the World Wide Web in 1989 while working at CERN.
Tim Berners-Lee invented the World Wide Web in 1989 while working at CERN.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the common household refrigeration fluid known as Freon (CFC) was developed by which chemist?
Correct Answer: Option D
Explanation:
Midgley synthesized dichlorodifluoromethane at General Motors in 1928, creating non-toxic, non-flammable cooling gases that later had severe environmental impacts.
Midgley synthesized dichlorodifluoromethane at General Motors in 1928, creating non-toxic, non-flammable cooling gases that later had severe environmental impacts.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who invented the electrocardiogram (ECG/EKG) device, winning a Nobel Prize in 1924?
Correct Answer: Option A
Explanation:
Willem Einthoven invented the first practical electrocardiogram in 1903 and received the Nobel Prize for it.
Willem Einthoven invented the first practical electrocardiogram in 1903 and received the Nobel Prize for it.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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