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Through which mode of propagation, the r...

Through which mode of propagation, the radio waves can be sent from one place to another

A

ground wave propagation

B

sky wave propagation

C

space wave propagation

D

all of them

Text Solution

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The correct Answer is:
D
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NIKITA PUBLICATION-COMMUNICATION SYSTEMS-Multiple Choice Questions (Space communication )
  1. Long distance short-wave radio broadcasting uses

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  2. When microwave signals follow the curvature of earth, this is known as...

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  3. Through which mode of propagation, the radio waves can be sent from on...

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  4. In space communcation , the information can be passed from on place ...

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  5. What will be the area of reception of the signals transmitted by the T...

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  6. The sky wave propagation is suitable for radiowaves of frequency

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  7. The polarisation of an electromagnetic wave is determined by

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

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  9. An antenna is a device

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

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

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  12. The Ionosphere reflects the

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

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

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

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

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

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

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  19. Modern is a device which performs

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  20. For the propagation of ground the aerials must be

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