General Knowledge · General Studies
मानव कान के लिए श्रव्य आवृत्ति की सीमा क्या है?
- 13900 Å - 7600 Å
- 220-20000 Hz✓
- 320 kHz से अधिक
- 45:3
सही उत्तर देखें
20-20000 Hz
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