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State a few properties and uses of Micro...

State a few properties and uses of Microwaves?

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CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
  1. State a few properties and uses of Infrared rays

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  2. State a few properties of visible light.

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  3. State a few properties and uses of Microwaves?

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  4. State a few properties and uses of Radiowaves?

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  5. Explain wavelength and frequencies ranges of different regionsin the s...

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  6. Write a short note on Earth's atmosphere?

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  7. Write notes on: Ground wave propagation

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  8. Write notes on: Sky wave propagation

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  9. Write notes on: Space wave propagation

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  10. Explain the term Critical frequency

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  11. Explain the term Skip distance (zone)

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  12. Derive an expression for total range of the signal transmitted through...

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  13. A TV tower has a height of 200 M. How much population is covered by TV...

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  14. h1 = 600 m, R = 6.4 xx 10^6 m. d1 = ? h1 = ?

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  15. A transmitting antenna at the top of a tower has a height 32m and that...

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  16. A radar has a power of 10 kW and is operating at a frequency of 20 GHz...

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  17. If the height of a TV transmitting antenna is 128 m, how much square a...

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  18. The height of a transmitting antenna is 68 m and the receiving antenna...

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  19. What do you mean by the word 'communication'?

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  20. In ancident times, what were the methods of communication?

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