Natural radioactivity was discovered by - (1) Marie Curie (2) Ernest Rutherfor (3) Henri Becquerel (4) Enrico Fermi

1 Answer

Answer :

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

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