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Question

The phenomenon of radioactivity was discovered by


A

Rutherford

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B

Henry Becquerel

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C

Marie Curie

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D

Pierre Curie

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Solution

The correct option is B

Henry Becquerel


The phenomenon of radioactivity was discovered by Henry Becquerel in 1896. Rutherford later showed that the radiations from the salt were capable of ionizing a gas. A few years later Madam Marie Curie and her husband Pierre Curie discovered the highly radioactive elements radium and polonium.


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