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Question
In 1896, Henri Becquerel, a French chemist, by chance left some photographic films covered with a black paper near a sample of uranium. On developing the film, it was found to have been exposed. This led to the discovery of:
In 1896, Henri Becquerel, a French chemist, by chance left some photographic films covered with a black paper near a sample of uranium. On developing the film, it was found to have been exposed. This led to the discovery of:
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Solution
The correct option is A radioactivity
The film was found to be exposed due to the radioactivity of uranium. Thus radioactivity was discovered.
The film was found to be exposed due to the radioactivity of uranium. Thus radioactivity was discovered.
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