Who discovered that certain elements change identities through radioactive transmutation, establishing the laws of radioactive decay? MCQ with Answer and Explanation
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Question #1
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The invention of the highly accurate atomic clock configuration using cesium resonance was completed by whom?
Correct Answer: Option C
Explanation:
Essen and Parry constructed the first highly functional stable cesium atomic clock standard in 1955 at the National Physical Laboratory.
Essen and Parry constructed the first highly functional stable cesium atomic clock standard in 1955 at the National Physical Laboratory.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the standard mechanical typewriter carbon paper mechanism to replicate text was patented by whom?
Correct Answer: Option A
Explanation:
Pellegrino Turri developed early carbon pigment transfer papers in 1806 to functionalize his experimental typing machines.
Pellegrino Turri developed early carbon pigment transfer papers in 1806 to functionalize his experimental typing machines.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered artificial radioactivity and shared a Nobel Prize with her husband in 1935?
Correct Answer: Option C
Explanation:
Irène Joliot-Curie (daughter of Marie Curie) and her husband Frédéric Joliot-Curie discovered artificial radioactivity.
Irène Joliot-Curie (daughter of Marie Curie) and her husband Frédéric Joliot-Curie discovered artificial radioactivity.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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