Multiple choice

In a PET scan the particles involves are

  1. alpha particles

  2. beta particles

  3. gamma rays

  4. positron

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The term gamma ray is used to denote electromagnetic radiation from the nucleus as a part of a radioactive process. The energy of nuclear radiation is extremely high because such radiation is born in the intense conflict between the nuclear strong force and the electromagnetic force, the two strongest basic forces.