Who Discovered Beta Rays? The Story of Henri Becquerel

Learn how Henri Becquerel discovered beta rays and their impact on nuclear physics and radiation research.

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Beta rays were discovered by Henri Becquerel in 1896. He was studying the properties of uranium salts and observed that they emitted radiation capable of penetrating paper, later identified as beta rays. His discovery was crucial for the development of nuclear physics and radiation research.

FAQs & Answers

  1. What are beta rays? Beta rays are high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei during decay.
  2. What is the significance of Henri Becquerel's discovery? Henri Becquerel's discovery of beta rays was pivotal for the development of nuclear physics and significantly advanced our understanding of radioactivity.
  3. How do beta rays interact with materials? Beta rays can penetrate paper and can travel through air, but are usually stopped by materials like plastic or aluminum.
  4. What year were beta rays discovered? Beta rays were discovered by Henri Becquerel in 1896.

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