Physics · Acoustics
एक पर्यावरणीय प्रभाव आकलन (EIA) के लिए, एक शमन परियोजना शोर को 90 dB(A) से घटाकर 75 dB(A) कर देती है। ध्वनि की तीव्रता में कितने प्रतिशत की कमी हुई है? संकेत: L = 10 log10(I/I0)
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