Electromagnetic Waves

Question: For skywave propagation of a 10 MHz signal, what should be the minimum electron density in ionosphere

1) $\~1.2 \times {10^{12}}{m^{ - 3}}$

2) $\~{10^6}{m^{ - 3}}$

3) $\~{10^{14}}{m^{ - 3}}$

4) $\~{10^{22}}{m^{ - 3}}$

Solution:

Explanation: No Explanation

E-M Waves Wave Optics

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