Radiate EM signal of...|Communication Systems|JEE-Main 2023

JEE MAIN 2023

13-04-2023 S2

Question

To radiate EM signal of wavelength $\lambda$ with high efficiency, the antennas should have a minimum size equal to :

Select the correct option:

$\frac{\lambda}{2}$

$\frac{\lambda}{4}$

$2 \lambda$

$\lambda$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Minimum length of antenna should be $\frac{\lambda}{4}$

Question Tags

JEE Main

Physics

Easy

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