Q. Which of the following is not electromagnetic in nature
A) $X$-rays
B) Gamma rays
C) Cathode rays
D) Infrared rays
Explanation
The correct answer is Option C: Cathode 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.