Physics · Acoustics
सामान्य मानव बातचीत का अनुमानित डेसिबल स्तर क्या होता है?
- 190 - 100 dB
- 250 - 60 dB✓
- 330 - 40 dB
- 410 - 20 dB
सही उत्तर देखें
50 - 60 dB
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