Problem #1: What is the intensity in watts per meter squared of 85.0-dB sound?

Q: A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies…

A: Increase in dB level, B2 - B1 = 30.0 dB The intensity picked up by the hearing aid, I1 = 3.9×10-10…

Q: What is the sound level (in decibels) of a sound whose intensity is 7.5 x 108 w/m2? 6.7 dB 7.5 dB 80…

A: Given : sound intensity , I = 7.5 × 10-8 W/m2

Q: Humans can detect frequencies as high as 20 000 Hz. Assuming the speed of sound in air is 344 m·s−1,…

A: Given: The upper range of hearing: f=20,000 [Hz]=20,000 [s-1] Speed of sound: v=344 [m/s]…

Q: The intensity at a certain location is 1.021 W/m2. What is the sound intensity level at this…

A: Intensity of sound at a certain location (I) = 1.021 Wm2

Q: A brand of earplugs reduces the sound intensity level by 27 dB. By what factor do these earplugs…

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Q: What is the speed of sound (in m/s) in a medium where a 189 kHz frequency produces a 0.614 cm…

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Q: The sound level at a distance d=26 m from a loudspeaker is 70 dB. What is the power (in Watt) at…

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Q: Calculate the acoustic sound intensity level in decibels for a sound wave travelling in air at 10…

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Q: A Jackhammer from 1 meter away produces roughly 100dB of sound.  What is the sound pressure caused…

A: Write the expression for loudness

Q: In a corner of Downtown Houston, the sound intensity level is 120 dB. What is the intensity of the…

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Q: Calculate the sound intensity level in decibels for a sound wave traveling in air at 0C and having a…

A: At 0o, the velocity of sound is, vs=331 m/sρair=1.29 kg/m3Δp=0.656 Pa

Q: A quiet library has a sound intensity level of 40 dB, and a rock band has a sound intensity level of…

A: The sound intensity of given by β=10log10II0I is the intensity of soundI0 is the threshold of human…

Q: What is the decibel level of a sound that has an intensity of 87 x 10-5 W/m?? Assume the standard dB…

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Q: At a distance of 4 m from a certain sound source, the sound level intensity is 70 dB. What is the…

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Q: Find the sound level in dB of 5.52  10-2 W/m2 ultrasound used in medical diagnostics.  _____dB

A: Given  Intensity (I) = 5.52 × 10-2  W/m2    sound level in dB  is defined as :- L = 10 Log [ I /Io]…

Q: Calculate the wavelength (in m) of a 850.00 Hz sound in air at room temperature and pressure, where…

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Q: What is the wavelength of a 5000 kHz sound traveling in the air? (Vsound = 343 m/s)

A: Velocity of sound is the product of wavelength of sound and frequency of sound.

Q: Question 1. Show that the difference in decibel levels 3, and 32 of a sound source related to the…

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Q: The sound intensity level of two speakers are 71.4 dB and 79.2 dB, respectively. Find the ratio of…

A: sound intensity is defined as the power carried by the sound waves per unit cross-sectional area.…

Q: fficients of brain is 0.11cm1)

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Q: The sound intensity 50 m from a wailing tornado siren is 0.10 W/m2. What is the sound intensity…

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Q: Q15/The sound level in db of a sound intensity 10-6 w/m2 is knowing that the threshold of hearing =…

A: The sound level in dB of a sound intensity 10-6 w/m2 is 60db knowing that the threshold of hearing…

Q: What is the intensity in watts per meter squared of 81.0-dB sound? (You do not need to enter any…

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Q: At a distance of 2.00 m from a point source of sound, the intensity level is 80.0 dB. What will be…

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Q: If one sound has a relative intensity 858 times that of another, how do their decibel levels…

A: Given data The relative intensity is given as X = 858.   The decibel levels of the sound is…

Q: what would its intensity level have to be to reduce the intensity by a factor of 2.40?

A: Explanation and final answer is in next step.

Q: What is the wavelength in air at 22° C of a 440 Hz sound?

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Q: 19 9 Nodes Question 20 (5 points) Find the noise level of a sound having an intensity of 6.53 x10-10…

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Q: What is the intensity level of a sound with intensity of 5.0 10 10 W/m?? (lo - 1017 W/m?) A) 27 dB…

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Q: percentage reduction is this intensity

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Q: Given four machines producing 60 dB, 51dB, 50 dB, and 49 dB respectively, what is  the total sound…

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Q: Problem #15: With one violin playing, the sound level at a certain place is measured as 50 dB. If…

A: Sound level of one violin = 50 dB

Q: If at Anarkali Bazar Lahore , Intensity level of sound is 80 dB ,what will be the Intensity of sound…

A: Given data: Intensity level of sound is, β=80 dB.

Q: What is the maximum frequency of sound, which can be heard by human? Оа. 20000 Hz O b. 2 KHz Oc 20…

A: Humans can hear sound frequencies  from about 20 Hz to 20 kHz. So the maximum frequency of sound can…

Q: What is the maximum frequency of sound heard by human ears? O a. 20 Hz O b. 20000 Hz O . 200 KHz O…

A: The sound energy propagates in the medium in the form of waves. This wave is longitudinal in nature.…

Q: sound intensity

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Q: A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies…

A: Given: Original intensity of sound, I = 3.9×10-10 W/m2