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The electromagnetic waves used in the te...

The electromagnetic waves used in the telecommunication are

A

ultraviolet

B

infrared

C

visible

D

microwave

Text Solution

Verified by Experts

The correct Answer is:
D
Electromagnetic radiation relevant to telecommunication is microwave .
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COMMUNICATION SYSTEM-Exercise 1
  1. Audio frequency range is from

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  2. The electromagnetic waves used in the telecommunication are

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  3. A device that converts one from of energy into another form is termed ...

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  4. Identify the incorrect statement from the following .

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  5. Audio signal cannot be transmitted because

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  6. Major parts of communications systems are:

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  7. Digital signals

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  8. The mobile telephones operate typically in the range of

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  9. The number of telephonic messages which are carried by a fibre at an i...

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  10. Basic components of a transmitter are:

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  11. In a video signal for transmission of picture. What value of bandwidth...

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  12. Range of frequencies allotted for commercial UHF TV broadcast is

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

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  14. If electron density of the layer of inosphere is 10 xx 10^(11) and ...

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  15. If the critical frequency for sky wave propagation is 12 MHz , then th...

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  16. The sky wave propagation is suitable for radiowaves of frequency

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  17. A signal emitted by an antenna from a certain point can be received at...

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  18. Which of the following frequencies will be suitable for beyond the hor...

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  19. Is it necessary for a transmitting antenna to be at the same height as...

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  20. When electromagnetic waves enter the ionised layer of ionosphere, then...

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