题目

简答题

What is the intensity in watts per meter squared of a 123dB sound? Answer in W/m2. Answer to 1 decimal place and only put in the numerical value. Do not include units in your answer.

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思路分析

When faced with a sound level of 123 dB, the standard reference for sound intensity is I0 = 1 × 10^-......Login to view full explanation

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