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प्रश्न
Propagation of Electromagnetic Wave?
उत्तर
They type of propagation in which radio waves are transmitted towards the sky and are reflected by the ionosphere towards the desired location on earth is called sky wave propagation.
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संबंधित प्रश्न
Write a short note on surface wave propagation of electromagnetic waves.
What is space wave propagation?
What is space wave propagation?
What is ground wave communication?
Name the three different modes of propagation in a communication system. State briefly why do the electromagnetic waves with a frequency range from a few MHz up to 30 MHz can reflect back to the earth. What happens when the frequency range exceeds this limit?
Explain the ground wave propagation and space wave propagation of electromagnetic waves through space.
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The radio wave of frequency 300 MHz to 3000 MHz be.long to
An antenna is
What is the value of frequency at which an e.m wave must be propagated for the D-region of atmosphere to have a refractive index of 0.49? Electron density for D-region is 109 m-3:
