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Television signal on earth cannot be rec...

Television signal on earth cannot be recevied at distances greater than `100 km` from the transmission station. The reasion behind this is that

A

The receiver antenna unable to detect the signal at a distance greater than 100 km

B

the TV programme consists of both audio and video signals

C

The TV signals are less powerful than radio signals.

D

The surface of earth is curved like a sphere

Text Solution

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The correct Answer is:
D

TV signal are line of sight communication.
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RESONANCE-COMMUNICATION SYSTEM-Exercise
  1. For a carrier frequency of 100 kHz and a modulating frequency of 5kHz ...

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  2. Intelset satellite works as a -

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  3. The frequency band used for radar relay systems and television-

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  4. Fading applies to:

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

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  6. The transmission media can be:

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  7. In A.M., the total modulation index should not exceed one or else:

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  8. An 'antenna' is:

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  9. The ratio waves of frequency 300 MHz to 3000 MHz belong to

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  10. In an amplitude modulated wave for audio frequency of 500 "cycle"//sec...

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

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  12. Range of frequencies allotted for commercial FM radio broadcast is

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

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  14. An oscillator is producing FM waves of requency 2kHz with a variation ...

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  15. Consider telecommunication through optical fibres. Which of the follow...

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  16. Television signal on earth cannot be recevied at distances greater th...

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  17. An amplitude is frequency graph of a frequency medulatal wave is given...

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  18. Which of the following statements is incorrect?

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  19. Which of the following statements is false?

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  20. Optical fibers are the best medium of transmission over copper wires, ...

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