Find the intensity level of a sound with an intensity of 4 x 10-4 W/m. Step...
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Find the intensity level of a sound with an intensity of 4 x 10-4 W/m². Step 1. What is the intensity ratio in this case? W/m² Intensity Ratio = W/m² Step 2. Factor the intensity ratio into powers of 2 and 10: n Intensity Ratio = 2 x 10 = 2 x 10 Step 3. Use 10log10(ab) = 10log10(a) + 10log10(b) to expand 10log10(Intensity Ratio) (2) (₁ 10log10 (Intensity Ratio) = 10log 10 + 10log10 Step 4. Evaluate each log10 term (in same order as above). 10log10 (Intensity Ratio) = ( + 10 () So, a sound with intensity, I = 4 x 10-4 W/m², has an intensity level, IL = Find the intensity level of a sound with an intensity of 4 x 10-4 W/m². Step 1. What is the intensity ratio in this case? W/m² Intensity Ratio = W/m² Step 2. Factor the intensity ratio into powers of 2 and 10: n Intensity Ratio = 2 x 10 = 2 x 10 Step 3. Use 10log10(ab) = 10log10(a) + 10log10(b) to expand 10log10(Intensity Ratio) (2) (₁ 10log10 (Intensity Ratio) = 10log 10 + 10log10 Step 4. Evaluate each log10 term (in same order as above). 10log10 (Intensity Ratio) = ( + 10 () So, a sound with intensity, I = 4 x 10-4 W/m², has an intensity level, IL =
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