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Q. |
Natural radioactivity was discovered by - |
A. | Marie Curie |
B. | Ernest Rutherfor |
C. | Henri Becquerel |
D. | Enrico Fermi |
Answer» C. Henri Becquerel | |
Explanation: The Discovery of Radioactivity. 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. |
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