Paul Dirac
A) set the limits on the probability of measurement accuracy (1927).
B) suggested the existence of matter waves (1924).
C) predicted the positron from relativistic quantum mechanics (1928).
D) discovered the positron using a cloud chamber (1932).
E) developed a wave equation for matter waves (1926).

Question

Quizplus · Accepted Answer

Dirac predicted the existence of the positron, an antimatter counterpart to the electron, in 1928 through his work on relativistic quantum mechanics. This prediction was a significant milestone in the development of quantum physics and demonstrated the power of theoretical physics in predicting new particles before they were experimentally observed.