Which of the following follows Chapman’s law of variation?(a) D layer(b) F1 layer(c) F2 layer(d) Both F1 and F2 layerThis question was addressed to me in quiz.My enquiry is from Radio Wave Propagation topic in division Radio Wave Propagation of Antennas

Which of the following follows Chapman’s law of variation?(a) D laye

1.	Which of the following follows Chapman’s law of variation?(a) D layer(b) F1 layer(c) F2 layer(d) Both F1 and F2 layerThis question was addressed to me in quiz.My enquiry is from Radio Wave Propagation topic in division Radio Wave Propagation of Antennas
Answer» The CORRECT answer is (b) F1 layer The best I can explain: Only F1 layer follows the CHAPMAN’s law of VARIATION where F1 region behaves LIKE an E-region. F1 layer is formed by the IONIZATION of O2 atoms. F2 layer does not follow Chapman’s law of variation.

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