Sometimes particle-antiparticle pairs are created and then annihilate so quickly that observers cannot know that they ever existed. What are these particles (or antiparticles) called?
A) relativistic particles
B) temporary particles
C) field particles
D) virtual particles

Question

Quizplus · Accepted Answer

These particles are known as virtual particles, a concept in quantum mechanics where particle-antiparticle pairs spontaneously appear and then annihilate in a very short time frame, often within the limits allowed by the uncertainty principle.

Sometimes Particle-Antiparticle Pairs Are Created and Then Annihilate So Quickly