Q. The electromagnetic waves of frequency $2\ MHz$ to $30\ MHz$ are used
A) In ground wave propagation
B) In sky wave propagation
C) In microwave propagation
D) In satellite communication
Explanation
The correct answer is Option B: In sky wave propagation.
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.