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The electromagnetic waves of frequency 8...

The electromagnetic waves of frequency 80 MHz to 200 MHz

A

can be reflected by troposphere

B

can be reflected by ionosphere

C

can be reflected by mesosphere

D

cannot be reflected by any layer of earth's atmosphere

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The correct Answer is:
D
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AAKASH SERIES-COMMUNICATION SYSTEMS -Exercise - IA (Space Communication)
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  5. For base station to mobile communication, the required frequency band ...

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  6. Sky Wave Propagation

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

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  8. Write a note on synchronous satellite.

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  9. A signal emiited by an antenna form a certain point can be received at...

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  11. Which of the following is better propagation mode to propagate televis...

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  16. Intelset satellite works as a -

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  17. The space waves which are affected seriously by atmospheric conditions...

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  18. When a low flying aeroplane passes over head, we sometimes notice a sl...

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  19. In satellite communication 1. The frequency used lies between 5 MHz ...

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  20. Which of the following devices is full duplex?

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