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21 February, 07:15

Antoine Henri Becquerel discovered radioactivity when he was studying

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  1. 21 February, 07:36
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    Antoine Henri Becquerel discovered radioactivity when he was studying

    X - rays.

    He had been studying phosphorescent uranium ores and hypothesized that they might absorb sunlight and reemit it as X-rays.

    His hypothesis was wrong, but his experiments led to the discovery of natural radioactivity.
  2. 21 February, 07:39
    0
    X-Rays is the answer
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