Concepts Of Physics MCQ Edition [Volume 2]PhysicsThe Nucleus
Which among the following are electromagnetic waves?
Options
- AGamma rays
- BBeta-minus rays
- CBeta-plus rays
- D-rays
Correct answer
A. Gamma rays
Step-by-step solution
Gamma rays are high-frequency electromagnetic waves emitted from the nucleus of radioactive atoms. Beta-minus rays are streams of electrons, beta-plus rays are streams of positrons, and -rays are streams of helium nuclei. These are all particulate radiations, not electromagnetic waves.