Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Communication

Question:

Calculate the length of half wave dipole antenna at 30 MHz.

Options:

50 m

0.5 m

5 m

0.05 m

Correct Answer:

5 m

Explanation:

\(\lambda\) = \(\frac{c}{\nu}\)

c = 3 x 108 m/s ; \(\nu\) = 30 MHz

length of antenna : = \(\frac{\lambda}{4}\) = 5 m