What should be the length of the dipole antenna for a carrier wave of frequency 3 × 10⁸ Hz?

Solution

Frequency of the carrier wave, $ν$ = 3 $\times$ 10⁸ Hz

$∴$ Wavelength, $λ = \frac{c}{v} = \frac{3 \times 10^{8}}{3 \times 10^{8}} = 1 m$

The size of the antenna should be $\frac{1}{4}$ of the wavelength in case of a dipole antenna.

i.e., Length of the antenna = $\frac{1}{4}$ m

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Wave Optics

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For Daily Free Study Material Join wiredfaculty

Wave Optics

What should be the length of the dipole antenna for a carrier wave of frequency 3 × 108 Hz?

Some More Questions From Wave Optics Chapter

What is space wave propagation?

What is sky wave propagation?

What is the meaning of the term 'attenuation' in communication system?

What are the three basic units of a communication system?

Why are short waves used in long distance broadcasts?

What is the purpose of modulating a signal in transmission?

State two factors by which the range of transmission of signals by a TV tower can be increased?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

What should be the length of the dipole antenna for a carrier wave of frequency 3 × 10⁸ Hz?