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The sky wave propagation is suitable for...

The sky wave propagation is suitable for radio waves of frequency

A

upto 2MHZ

B

from 2 MHz to 20 MHz

C

from 2MHz to 50 MHz

D

from 2MHz to 80 MHz

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The correct Answer is:
C
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AAKASH SERIES-COMMUNICATION SYSTEM -LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)
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  3. When electromagnetic waves enter the ionised layer of ionosphere , the...

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  5. Which one of the following is correct ?

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  6. The space wave propagation is utilised in

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  7. Three waves A, B and C of frequencies 1600 kHz, 5 MHz, and 60 MHz resp...

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  8. A transmitter transmits the message in original

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  9. A receiver reconstructs the original message after propagation through...

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  10. A 100m long antenna is mounted on a 500m tall building. The complex ca...

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  12. The number of telephone conversation carried by a fibre with much less...

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  13. Which of the following devices is full duplex ?

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  14. Which of the following devices is half duplex ?

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  15. Which of the following statement is wrong?

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  16. Through which modes of propagation the radio waves can be sent from on...

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  19. The radio waves of frequency 300 MHz to 3000MHz does not belong to

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  20. Communication system is some set up used to convey some type of inform...

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