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Who among the following had discovered 'Radioactivity'?
1. Henri Becquerel
2. Rutherford
3. James Chadwick
4. Albert Einstein

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Correct Answer - Option 1 : Henri Becquerel

The Correct Answer is Henri Becquerel.

  • It was Henri Becquerel that discovered radioactivity, but Marie Curie is one who coined the term.
    • Antoine Henri Becquerel was a French engineer, physicist, Nobel laureate, and the first person to discover evidence of radioactivity. 
    • In 1903 for work in this field he, along with Marie Skłodowska-Curie (Marie Curie) and Pierre Curie, received the 1903 Nobel Prize in Physics. 

  • Ernest Rutherford,
    • He was a New Zealand physicist who came to be known as the father of nuclear physics. 
  • Sir James Chadwick
    • He was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.
  • Albert Einstein
    • He was a German-born theoretical physicist, widely acknowledged to be one of the greatest physicists of all time.
    • Einstein is known widely for developing the theory of relativity, but he also made important contributions to the development of the theory of quantum mechanics. 

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