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The electromagnetic wave of frequency 2 ...

The electromagnetic wave of frequency `2` MHz to `30` MHz are

A

In ground wave propagation

B

In sky wave propagation

C

In microwave propagation

D

Both `(a)` and `(b)`

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The correct Answer is:
b
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A2Z-ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM -Section D - Chapter End Test
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  2. A sky wave with a frequency 55 MHz is incident on D-region of earth's ...

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