Question

10. Which of the following are not electromagnetic waves?
as cosmic rays
b) Gamma rays
c) B-rays​

Answer 1

Answer:

Q. Which of the following are not electromagnetic waves?

A. Cosmic rays

B. Gamma rays

C. rays

D. X- rays

Correct answer is a (Cosmic rays)

Answer 2

(C) β-rays

Turns out that beta “rays” are actually electrons, which are not electromagnetic waves. Of the three products of radioactive decay the early experimenters measured, betas being one, alpha rays turned out to be helium nuclei, and gamma rays are actually gamma rays—the shortest wavelength electromagnetic radiation.