Physics · Acoustics
साधारण बातचीत की ध्वनि की तीव्रता किसके बीच होती है?
- 1120–130 डेसिबल
- 210–20 डेसिबल
- 330–60 डेसिबल✓
- 490–100 डेसिबल
सही उत्तर देखें
30–60 डेसिबल
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