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The waves used in telecommunication are...

The waves used in telecommunication are

A

IR

B

UV

C

Microwave

D

Cosmic rays

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -KINETIC THEORY OF GASES-QUESTIONS
  1. Indicate which one of the following system is digital

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  2. In a communication system, noise is most likely to affect the signal

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  3. The waves used in telecommunication are

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  4. In an FM system a 7kHz signal modulates 108 MHz carrier so that freque...

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

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  6. The phenomenon by which light travels in an optical fibres is

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

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  8. Advantage of optical fibre

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  9. In frequency modulation

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  10. Audio signal cannot be transmitted because

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  11. In which of the following remote sensing technique is not used?

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  12. For sky wave propagation of a 10 MHz signal, what should be the minimu...

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  13. What should be the maximum acceptance angle at the aircore interface o...

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  14. A sky wave with a frequency 55 MHz is incidnet on D-region of earth's ...

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  15. In a diode AM- detector, the output circuit consist of R=1 k Omega and...

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  16. Consider an optical communication system operating at lambda=800 nm. S...

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  17. A photodetectore is made from a semiconductor. In (0.53)Ga(-0.47)As w...

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  18. A transmitter supplies 9kW to the aerial when unmodulated. The power r...

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  19. The antenna current of an AM transmitter is 8A when only the carrier i...

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  20. The total power content of an AM wave is 1500 W. For 100% modulation, ...

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