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Ground wave propagation is suitable for...

Ground wave propagation is suitable for

A

low radio frequency over a short range

B

high radio frequency over a short range

C

high radio frequency over a long range

D

low radio frequency over a short range

Text Solution

Verified by Experts

The correct Answer is:
A

Since the attenuation of ground waves increases with increase in frequencies so only low frequency- radio waves uses this mode of propagation for short distances.
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DISHA PUBLICATION-COMMUNICATION SYSTEM -EXERCISE-1 : Concept Builder ( Topicwise )
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  2. Earth's atmosphere is transparent for

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  3. Ground wave propagation is suitable for

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  6. The wave reaching the receiving antenna will have maximum intensity if...

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  7. For a radio wave reaching the ionised medium

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  8. Intensity of electric field obtained at receiver antenna for a space w...

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  9. Ground waves are polarised

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  10. Field strength of tropospheric TV signal is proportional to

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  11. The service area of space wave communication increases by

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  12. Main function of the RF amplifiers in a superheterodyne receiver is to

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  13. Array gain of an antenna is

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  14. Critical frequency that gets reflected back from ionosphere is

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  16. The function of an amplitude limitter in an FM-receiver is

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  17. Depth of modulation in terms of E(max) and E(min) is

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  18. A tuned amplifier circuit is used to generate a carrier frequency of 2...

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  19. For a single side band transmission a balanced modulator is used to

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