Mathematics · Principles of Communication
The ionosphere acts as a reflector for electromagnetic waves primarily within the frequency range of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 - 30 GHz
- 23 - 30 Hz
- 33 - 30 MHz✓
- 43 - 30 kHz
Correct answer
3 - 30 MHz
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