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For sky wave propagation of a 10 MHz sig...

For sky wave propagation of a `10 MHz` signal, what should be the minimum electron density in ionosphere?

A

`~1.2 xx 10^(12) m^(-3)`

B

`~10^(6) m^(-3)`

C

`~10^(14) m^(-3)`

D

`~10^(22) m^(-3)`

Text Solution

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The correct Answer is:
A
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