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Tick the Most Appropriate Answer. Who Discovered that Radioactive Rays Are Given Out by Uranium? Henri Becquerel Marie Curie Pierre Curie Schmidt -

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प्रश्न

Tick the most appropriate answer.

Who discovered that radioactive rays are given out by uranium?

  1. Henri Becquerel
  2. Marie Curie
  3. Pierre Curie
  4. Schmidt

उत्तर

Marie Curie

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