Question

Which of the following are not electromagnetic waves?
(a) cosmic rays (b) γ-rays
(c) β-rays (d) X-rays

Answer 1

Answer:

Among the four options mentioned in the question Cosmic Rays and Beta (ß) rays are not electromagnetic waves. Cosmic rays are mainly flow of highly charged particles and the beta rays are mainly flow of electrons in an intense amount. But the X-rays and the gamma rays are simply electromagnetic waves.