Question

Gamma rays are :

• A. High energy electrons
• B. Low energy electrons
• C. High energy electromagnetic waves
• D. High energy pesitrons

Answer 1

Answer: (C)

High energy electromagnetic waves

Gamma ray (also called gamma radiation), denoted by the lower-case Greek letter gamma ($\gamma$), is penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei and therefore consists of high-energy photons(high energy electromagnetic particles).