The phenomenon of radioactivity was discovered by - (1) Marie Curie (2) Pierre Curie (3) Henri Becquerel (4) J.J Thomson

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The phenomenon of radioactivity was discovered by - (1) Marie Curie (2) Pierre Curie (3) Henri Becquerel (4) J.J Thomson

asked Jan 4, 2022 by anonymous

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Answer :

(3) Henri Becquerel Explanation: In 1896 Henri Becquerel was using naturally fluorescent minerals to study the properties of x-rays, which had been discovered in 1895 by Wilhelm Roentgen.

answered Jan 4, 2022 by anonymous
selected Jan 4, 2022

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