What is the decibel level of a sound that is 1/3 as intense as a 98.0-dB sound?
What is the decibel level of a sound that is 1/3 as intense as a 98.0-dB...
. A sound wave at the 7 decibel level of loudness has what intensity? If the amplitude of this wave were doubled, what would be the 1oudness in decibels? Explain how you would compute the combined loudness level of two sounds which are individually at B dB and β2 dB
Sound from source 3 has a sound intensity level that is 8.3 dB less than sound from source 1. By what factor is the sound intensity from source 3 less intense than the sound intensity from source 1? (Assume the sound intensities for sources 1 and 3 are I1 and I3, respectively.)
The decibel scale is a logarithmic scale for measuring the sound intensity level. Because the decibel scale is logarithmic, it changes by an additive constant when the intensity as measured in W/m2 changes by a multiplicative factor. The number of decibels increases by 10 for a factor of 10 increase in intensity. The general formula for the sound intensity level, in decibels, corresponding to intensity I is β=10log(II0)dB, where I0 is a reference intensity. For sound waves, I0 is taken...
2. The decibel level of a jackhammer is 125 dB relative to the threshold of hearing. Determine the sound intensity produced by the jackhammer
If the decibel reading of a sound that is painful is 140 and the decibel reading of music played is 123, how much more intense is the painful sound than the music played? The intensity of painful sound is approximately times more intense than the other sound. Round to the nearest Integer as needed.)
An opera singer produces a decibel level of 109 dB at a distance of 0.400 m.The area of a typical eardrum is about 5.00 ✕ 10−5 m2.mAssume the sound propagates as a spherical wave. Determine the sound intensity I and power P incident on a typical eardrum at distances of 3.00 m and 21.0 m from the singer. ADDITIONAL PROBLEMS An opera singer produces a decibel level of 109 dB at a distance of 0.400 m. The area of a...
To understand the decibel scale. The decibel scale is a logarithmic scale for measuring the sound intensity level. Because the decibel scale is logarithmic, it changes by an additive constant when the intensity as measured in W/m2 changes by a multiplicative factor. The number of decibels increases by 10 for a factor of 10 increase in intensity. The general formula for the sound intensity level, in decibels, corresponding to intensity I is β=10log(II0)dB, where I0 is a reference intensity. For...
dB (decibel) is a unit used to measure sound intensity and is graphically plotted using the linear scale? TRUE OR FALSE
A trumpet can be heard with 100 db at 10 m. What is the decibel level at 25?
1. -/15.4 points My Notes (a) By what factor is one sound more intense than another if the sound has a level 11.0 dB higher than the other? (b) If one sound has a level 32.0 dB less than another, what is the ratio of their intensities? 2. - 17.7 points My Notes If the first sound has a level 19.0 dB lower than the second, what is the ratio of their intensities? first intensity second intensity