1.3 Antiparticles and Photons Flashcards
1
Q
What is a photon?
A
A ‘packet’ of EM radiation.
2
Q
How does an antiparticle differ from its corresponding particle?
A
It has the opposite charge
3
Q
Name the electron’s antiparticle.
A
Positron
4
Q
Describe the process of pair production.
A
Energy can be converted into mass and produce particles, if there is enough energy. The mass is always produced in a particle-antiparticle pair.
5
Q
What is produced in the annihilation of matter and antimatter?
A
2 Gamma Ray Photons
