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Through which mode of propagation the ra...

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

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The correct Answer is:
D
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RESONANCE ENGLISH-COMMUNICATION SYSTEMS-Exercise 2
  1. The Q of a resonant transmission line is:

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  2. The distance between consecutive maxima and minima is given by

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

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  4. The frequencies of electromagnetic waves employed in space communicati...

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  5. The wavelength of electromagnetic waves employed for space communicati...

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  6. The radio waves of frequency 30 MHz to 300 MHz belong to

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  7. The maximum range of ground or surface wave propagation depends on

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  8. In which frequency range space waves are normally propagated

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  9. For VHF television broadcasting, the frequency employed is generally

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  10. The sound waves after being converted into electrical waves are not tr...

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  11. The process of superimposing signal frequency (i.e., audio wave) on th...

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  12. A TV transmission tower has a height of 240m. Signals broadcast from t...

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  13. Range of frequencies alotted for commerical FM radio broad cast is

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  14. Intelset satellite works as a -

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  15. The space waves which are affected seriously by atmospheric condition ...

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  16. A T.V. tower has a height 150m. What is the population density around ...

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  17. Which of the following is not a transducer?

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  18. Long distance radio broadcasts use short wave bands. Explain why?

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  19. The carrier frequency generated by a circuit containing 1 nF capacitor...

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  20. the attenution in optical fibre is mainly due to

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