A positron and its antiparticle, the electron, can annihilate each other and produce
A) high-energy photons.
B) protons and antiprotons.
C) green electrons and anti-green electrons.
D) quarks and antiquarks.

Question

Quizplus · Accepted Answer

When a positron and its antiparticle, the electron, annihilate each other, they convert their mass into energy in the form of high-energy photons. This process is known as annihilation. Therefore, the correct answer is A.

A Positron and Its Antiparticle, the Electron, Can Annihilate Each