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Henri Becquerel was studying the phenomenon of phosphorescence when he discovered radioactivity. He accidentally found that uranium salts emitted radiation that fogged photographic plates wrapped in opaque paper, leading to the groundbreaking discovery of radioactivity in 1896.

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What was discovered by Henri becquerel?

Henri Becquerel discovered radioactivity


What did Henri Becquerel discover while studying a material that contained uranium?

Henri Becquerel discovered in 1896 the natural radioactivity of uranium.


Who discovered radiactivity?

Radioactivity was first discovered in 1896 by the French scientist Henri Becquerel.


Marie curie discovered radioactivity?

NO. Henri Becquerel was the discoverer of radioactivity.


Who discovered radioactivity?

henri bacquerel discovered radioactivity in 1896.Artificial radioactivity was first discovered by Joliot Curie and her husband in 1934 while studying the effect of alpha particle bombardment on like elements like Aluminium


What did Henri becquerel discover?

Henri Becquerel discovered in 1896 the natural radioactivity.


What was Henri becquerel studying when he accidentally discovered radioactivity?

Henri Becquerel was studying the phenomenon of phosphorescence when he accidentally discovered radioactivity in 1896. He found that uranium salts emitted radiation that could fog photographic plates wrapped in black paper. This serendipitous discovery laid the foundation for the field of nuclear physics.


Did Henri becquerel discover radium and polonium?

Henri Becquerel discovered the radioactivity of uranium in 1896. Polonium and radium were discovered in 1898 by Marie and Pierre Curie.


Contribution of Henri becquerel?

Henri Becquerel discovers the radioactivity.


What were the contributions of Henri Becquerel?

Antoine Henri Becquerel contributed to the discovery of radioactivity. He was a physicist, working with Marie and Pierre Curie when they discovered uranium.


When was the discovery of radioactivity?

Radioactivity was first discovered by Henri Becquerel on the 1890s. He received the Nobel Prize, along with the Curie's, for this work.


What did Henri becquerel discover accidentlly?

Henri Becquerel discovered radioactivity, together with the famous Marie Curie. The word "Becquerel" is now used as an S.I. unit of radioactivity. 1 Becquerel (Bq) means that 1 nucleus decays each second.