Nuclear discoveries: Who discovered natural radioactivity? Identify the scientist associated with the 1896 discovery of spontaneous radioactivity in uranium salts. Choose the correct option.
IIT JEE
Physics
Difficulty: Easy
Choose an option
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AMarie Curie
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BJ. J. Thomson
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CHenri Becquerel
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DErnest Rutherford
Answer
Correct Answer: Henri Becquerel
Explanation
HistoryIn 1896, Henri Becquerel observed spontaneous emission from uranium salts fogging photographic plates, revealing natural radioactivity; Marie and Pierre Curie later isolated Ra and Po.
Final AnswerHenri Becquerel