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Which of the following is the nearest region from the earth surface in the atmosphere?

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Which of the following is the nearest region from the earth surface in the atmosphere?

(a) Troposphere

(b) Stratosphere

(c) Ionosphere

(d) Outer atmosphere

This question was posed to me in unit test.

My question is from Radio Wave Propagation topic in chapter Radio Wave Propagation of Antennas

1 Answer

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Best answer
Right answer is (a) Troposphere

Easy explanation: Troposphere is the lowest layer and nearest to earth surface in the atmosphere ranging up to 15km. Stratosphere lies at 50 to 90km and up to 400km ionosphere. Above 400km is the outer atmosphere.

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