Question:medium

Which atmospheric layer causes reflection of radio waves and makes long wave radio communication possible?

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The ionosphere reflects radio waves; remember ”Ionosphere = Ionized for radio.”
Updated On: Jan 13, 2026
  • Thermosphere
  • Ionosphere
  • Mesosphere
  • Stratosphere
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The Correct Option is B

Solution and Explanation

The ionosphere's ions and free electrons reflect and refract radio waves Earthward, facilitating long-distance radio communication. This layer is critical for High Frequency (HF) radio transmissions.
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