Q. The fundamental radio antenna is a metal rod which has a length equal to
A) $\lambda$ in free space at the frequency of operation
B) $\lambda/2$ in free space at the frequency of operation
C) $\lambda/4$ in free space at the frequency of operation
D) $3\lambda/4$ in free space at the frequency of operation
Explanation
The correct answer is Option C: $\lambda/4$ in free space at the frequency of operation.
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.