Q. Which of the following rays are not electromagnetic waves
A) $\gamma$-rays
B) $\beta$-rays
C) Heat rays
D) $X$-rays
Explanation
The correct answer is Option B: $\beta$-rays.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.