Who discovered the fundamental principle of superconduction in metals at temperatures near absolute zero? MCQ with Answer and Explanation
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Question #1
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The invention of the high-strength industrial tool steel alloy known as tungsten steel was pioneered by whom?
Correct Answer: Option C
Explanation:
Mushet patented self-hardening tungsten tool steel in 1868, allowing factory metal lathe tools to retain sharpness at high cutting speeds.
Mushet patented self-hardening tungsten tool steel in 1868, allowing factory metal lathe tools to retain sharpness at high cutting speeds.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered the precise value of the physical constant detailing the number of structural units in one mole of material?
Correct Answer: Option C
Explanation:
While the constant is named after Avogadro, Jean Perrin calculated its exact value through experimental tracking of Brownian motion, winning a Nobel Prize.
While the constant is named after Avogadro, Jean Perrin calculated its exact value through experimental tracking of Brownian motion, winning a Nobel Prize.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the process of nuclear fission in heavy elements, winning the Nobel Prize in Chemistry in 1944?
Correct Answer: Option C
Explanation:
German chemist Otto Hahn discovered nuclear fission of uranium in 1938 alongside Fritz Strassmann.
German chemist Otto Hahn discovered nuclear fission of uranium in 1938 alongside Fritz Strassmann.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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