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The wavelength of electromagnetic waves ...

The wavelength of electromagnetic waves employed for space communication lie in the the range of-

A

1mm to 30 m

B

1 mm to 300 m

C

1 mm to 3 km

D

1mm to 30 km

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The correct Answer is:
D
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RESONANCE-COMMUNICATION SYSTEMS-Exercise 2
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  2. The frequencies of electromagnetic waves employed in space communicati...

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

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

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

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  6. In which frequency range, space waves are normally propagated?

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  7. For television broadcasting, the frequency employed is normally

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

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  9. The process of superimposing signal frequency (i.e. audio wave) on the...

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  10. The T.V. transmission tower in Delhi has a height of 240 m. The distan...

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

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  12. Intelset satellite works as a -

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

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

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  15. Which of the following is not transducer?

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  16. Long distance short-wave radio broadcasting uses

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  17. The carrier frequency generated by a tank circuit containing 1 nF capa...

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  18. the attenution in optical fibre is mainly due to

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

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  20. Amplitude modulation is used for broad casting because

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