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nd barely audible to the human ss the formula so that the expression in parentheses is written as a sing 110 lo D=10 log (10) ... D = log the form of the formula from part (a) to answer this question. If a sound decibel scale is the loudness level of the less intense sound? cibels softer

nd barely audible to the human ss the formula so that the expression in parentheses is written as a sing 110 lo D=10 log (10) ... D = log the form of the formula from part (a) to answer this question. If a sound decibel scale is the loudness level of the less intense sound? cibels softer

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 50RE: The formula for measuring sound intensity indecibels D is defined by the equation D=10log (II0),...
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The loudness level of a sound can be expressed by comparing the sound's intensity to the intensity of a sound barely audible to the human ear. The formula D=10 (log 1 - loglo) describes the loudness level of a sound, D, in decibels, where I is the intensity of the sound, in watts per meter², and I is the intensity of a sound barely audible to the human ear. Use this information to answer parts (a) and (b) below. a. Express the formula so that the expression in parentheses is written as a single logarithm. Choose your answer below. OB. D=10 log (1-6) O A. D = log 10 .. lo OC. D=10 log (1.b) O D. D=10 log G 10 b. Use the form of the formula from part (a) to answer this question. If a sound has an intensity 1/10th of the intensity of a louder sound, how much smaller on the decibel scale is the loudness level of the less intense sound? decibels softer
Transcribed Image Text:The loudness level of a sound can be expressed by comparing the sound's intensity to the intensity of a sound barely audible to the human ear. The formula D=10 (log 1 - loglo) describes the loudness level of a sound, D, in decibels, where I is the intensity of the sound, in watts per meter², and I is the intensity of a sound barely audible to the human ear. Use this information to answer parts (a) and (b) below. a. Express the formula so that the expression in parentheses is written as a single logarithm. Choose your answer below. OB. D=10 log (1-6) O A. D = log 10 .. lo OC. D=10 log (1.b) O D. D=10 log G 10 b. Use the form of the formula from part (a) to answer this question. If a sound has an intensity 1/10th of the intensity of a louder sound, how much smaller on the decibel scale is the loudness level of the less intense sound? decibels softer
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