Q. Radioactivity was discovered by:

  • (A) Henri Becquerel
  • (B) Marie Curie
  • (C) Ernest Rutherford
  • (D) J.J. Thomson
✅ Correct Answer: (A) Henri Becquerel
Explanation: Henri Becquerel discovered radioactivity in 1896.

Published by Mr. Dubey ⭐ 109.86K Points at 18-Jul-2026 04:22 pm in General Awareness

Explanation by: Mr. Dubey
Henri Becquerel discovered radioactivity in 1896.

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