Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Communication

Question:

For transmitting a modulated signal of wave length $\lambda$, the antenna should have minimum size :

Options:

$\lambda$

$\frac{\lambda}{2}$

$\frac{\lambda}{4}$

$2 \lambda$

Correct Answer:

$\frac{\lambda}{4}$

Explanation:
Minimum size of the antenna should be one-fourth of the wavelength of the signal used.