📊 Physics
Q. Which scientist discovered radioactivity?
  • (A) Marie Curie
  • (B) Henri Becquerel
  • (C) Rutherford
  • (D) Einstein
✅ Correct Answer: (B) Henri Becquerel

Explanation: Henri Becquerel discovered natural radioactivity in 1896 while studying uranium salts.

Explanation by: Tina Singh
Henri Becquerel discovered natural radioactivity in 1896 while studying uranium salts.

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