Who discovered that the velocity of light transitions through changing gravitational coordinates, establishing the gravitational redshift? MCQ with Answer and Explanation
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Question #1
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The first practical automatic dishwasher was invented and patented by which female innovator in 1886?
Correct Answer: Option C
Explanation:
Josephine Cochrane designed the first successful hand-powered mechanical dishwasher because she wanted to protect her fine china from chipping.
Josephine Cochrane designed the first successful hand-powered mechanical dishwasher because she wanted to protect her fine china from chipping.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The cell was first discovered and named by whom in 1665?
Correct Answer: Option D
Explanation:
Robert Hooke discovered plant cells in cork tissue under a primitive microscope in 1665 and coined the term 'cell'.
Robert Hooke discovered plant cells in cork tissue under a primitive microscope in 1665 and coined the term 'cell'.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who invented the first practical electronic digital computer with binary logic architecture, known as the Z3?
Correct Answer: Option C
Explanation:
German engineer Konrad Zuse completed the Z3 in 1941, recognized as the world's first functional program-controlled Turing-complete computer.
German engineer Konrad Zuse completed the Z3 in 1941, recognized as the world's first functional program-controlled Turing-complete computer.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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