Q. Which of the following electromagnetic waves have the longest wavelength?

A) Heat waves
B) Light waves
C) Radio waves
D) Ultraviolet waves
Explanation

The correct answer is Option C: Radio waves.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.