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The uppermost part of the atmosphere is ionized by solar radiation,
which creates a low-density plasma called the ionosphere. Note: wo = 0
and y = 0.
(a) If the index of refraction of the ionosphere is N = 0.9 for an FM
station at v = w/2n = 100 MHz, calculate the number of free electrons
per cubic meter.

Expert Solution

Step 1

Given:

The index of refraction of ionosphere is 0.9.

The frequency of FM station is 100 MHz.

Introduction:

Refractive Index is a value calculated from the ratio of the speed of light in a vacuum to that in a second medium of greater density.

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