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Write any four advantages of optical fib...

Write any four advantages of optical fibre communication.

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Advantages of optical fibres :
1. These are used by doctors to examine the internal organs like stomach, lungs etc. of a patient.
2. These are used in telecommunication.
3. These are used to make the showpieces.
4. These are used in refractometers.
5. These are used in the form of photometric sensors for measuring the blood flow in heart.
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BETTER CHOICE PUBLICATION-PRINCIPLES OF COMMUNICATION -SHORT ANSWER TYPE QUESTIONS
  1. Give one difference between point to point mode of communication and b...

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  2. Why is ground wave propagation not suitable for high frequency ?

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  3. Explain the term ground waves propagation of radio-waves.

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  4. Explain why sky wave propagation is not possible for high frequency ra...

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  5. What is space wave propagation ? Give one example of communication sys...

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  6. Write any two factors, which justify the need of modulation for the tr...

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  7. Explain space wave propagation.

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  8. What do you mean by medium wave band and short wave band ?

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  9. Define frequency modulation.

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  10. What do you mean by medium wave band and short wave band ?

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  11. What is remote sensing? WHat are the uses of remote sensing satellites...

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  12. Compare amplitude modulation and frequency modulation.

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  13. Write any four advantages of optical fibre communication.

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  14. What is modem?

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  15. Draw a labelled block diagram of a basic communication system.

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  16. Explain the concept of amplitude modulation by drawing suitable wave...

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  17. What is the need for modulation ?

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  18. Explain space wave propagation of radio waves.

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  19. Explain sky wave propagation of radiowaves.

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  20. Explain the term ground waves propagation of radio-waves.

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