13. Which of the following events occurred first ? A.Albert Einstein propounded the General Theory of Relativity B.Max Planck unveiled the Quantum Theory C.Marconi first tranmitted a wireless signal D.Madame Marie Curie became the first woman Nobel Prize winner
Option B Solution: General Theory of Relativity: a theory of gravitation developed by Einstein in the years 1907–1915; Quantum Theory of Max Planck: 1900; Transmission of wireless signal by Marconi: first Atlantic wireless transmission on December 11, 1901; and Madame Curie becoming the first woman Nobel Prize winner: shared her 1903 Nobel Prize in Physics with her husband Pierre Curie.