1. If I=35,000 time the threshold of hearing, what is the difference in db? 2. Mathematically prove...

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Physics

1. If I=35,000 time the threshold of hearing, what is thedifference in db?
2. Mathematically prove that the threshold of pain is 130db.(Mathematically prove means to show an equation and solution)
3. If one speaker is quieter than another, what is the reductionin db?
a. If it has only 1/3 the intensity of the other?
b. If it has only 1/6 the intensity of the other?
4. Mathematically prove that a 10db increase is 10 times thepower, and only 3.16 times the pressure/voltage. (Show an equationand solution)
5. Describe the difference between A weighting and C weighting(be thorough but concise).

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3.8 Ratings (565 Votes)

1 Difference in dB means sound Intensity level so LI 10 log10 I I0 here I0 Threshold of hearing given I 35000 I0 LI 10 log10 35000 I0 I0 10 log10 35 104 4544 db 2 as we all are aware that threshold of pain is 1013 times the See Answer

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