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Frequencies in the UHF range normally pr...

Frequencies in the `UHF` range normally propagate by means of:

A

ground waves

B

space waves

C

sky waves

D

Surface waves

Text Solution

Verified by Experts

The correct Answer is:
C
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NIKITA PUBLICATION-COMMUNICATION SYSTEMS-Multiple Choice Questions (Space communication )
  1. The sky wave propagation is suitable for radiowaves of frequency

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  2. The polarisation of an electromagnetic wave is determined by

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  3. Frequencies in the UHF range normally propagate by means of:

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  4. An antenna is a device

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  5. The frequency of signals up to 1.5 MHz can be propagated using

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  6. Space wave propagation is used in (a) microwave communication (b) ...

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  7. The Ionosphere reflects the

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  8. Which of the following is not a transmission media used in communicat...

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  9. In which frequency range, space waves are normally propagated?

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  10. While tuning in a certain broad cast station with a receiver, we are a...

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  11. If the frequency of E.M radiations is halved then the energy of EM ra...

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  12. The frequency of a wave propagating in D-region having refractive inde...

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  13. The ground wave communication cannot be occur above a distance of

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  14. Modern is a device which performs

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  15. For the propagation of ground the aerials must be

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  16. Audio signals cannot be directly transmitted into to space because

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  17. Microwaves are the electromagnetic waves with frequency, in the range ...

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  18. In short wave communication waves of which of the following frequencie...

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  19. To an observer on the earth the stars appear to twinkle. This can be a...

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  20. The maximum distance upto which TV transmission from a TV tower of...

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