Physics · Communication Systems
शॉर्टवेव (HF) रेडियो प्रसारण का विशिष्ट आवृत्ति बैंड (frequency band) क्या है?
- 11.7 से 30 Hz
- 21.7 से 30 kHz
- 31.7 से 30 MHz✓
- 41.7 से 30 GHz
सही उत्तर देखें
1.7 से 30 MHz
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