When an electron collides with a positron producing a pair of high gamma rays, we call this process
A) pair production
B) matter obliteration
C) photodisintegration
D) annihilation

Question

Quizplus · Accepted Answer

The process described here is annihilation, which is the mutual destruction of an electron and a positron as they collide and transform into two photons (gamma rays) with high energy.

When an Electron Collides with a Positron Producing a Pair