Which of the following ray are not electromagnetic waves

Question

Which of the following ray are not electromagnetic waves (A) X-rays (B) &gamma;-rays (C) β-rays (D) Heat rays

Tardigrade Admin · Accepted Answer

Cosmic rays, &gamma;-rays, and X-rays are part of electromagnetic spectrum, while β-rays are emitted by radioactive elements. Hence β-rays is not electromagnetic waves.

Q. Which of the following ray are not electromagnetic waves

X-rays

$γ$ -rays

$β$ -rays

Heat rays

Cosmic rays, $γ$ -rays, and $X$ -rays are part of electromagnetic spectrum, while $β$ -rays are emitted by radioactive elements. Hence $β$ -rays is not electromagnetic waves.