How Becquerel Accidentally Discovered Gamma Rays in 1896

Explore how Henri Becquerel's accidental discovery of gamma rays opened new frontiers in radiation research in 1896.

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Becquerel discovered gamma rays accidentally while researching phosphorescence in uranium salts in 1896. He noticed that photographic plates stored near uranium salts became foggy. Further investigation revealed that the uranium emitted penetrating radiation, independent of light exposure. This unexpected discovery provided initial evidence of gamma rays, a form of high-energy electromagnetic radiation.

FAQs & Answers

  1. What are gamma rays? Gamma rays are a form of high-energy electromagnetic radiation, often produced by radioactive decay.
  2. Who was Henri Becquerel? Henri Becquerel was a French physicist known for his discovery of radioactivity and gamma rays.
  3. How did Becquerel's discovery impact science? Becquerel's discovery of gamma rays significantly advanced the understanding of radiation and opened pathways for nuclear physics.
  4. What was the role of uranium in Becquerel's research? Uranium played a crucial role as the radioactive source that allowed Becquerel to observe the phenomenon of gamma rays.

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