- What is the sound pressure in Pascals when the measured pressure is 80 dB greater than the reference for water (1*10^-6 Pa)? [Pa]

Q: The intensity (I) of a source of sound is 10 °Wm . I, = 10 -12 Wm . What is the sound level of 10…

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Q: The density of a muscle is 1.3 g/cm3 and the sound velocity in it is 1.5 km/s. The acoustic…

A: Density, ρ = 1.3 g/cm3 = 1.3×103 kg/m3 Velocity, v = 1.5 km/s = 1500 m/s

Q: The sound level (intensity / pressure level) produced by the device at a distance of one meter from…

A: Given that: f1=94 dB at r1=1 mf2=? at r2=19 m

Q: A 72.0 dB sound wave strikes an eardrum whose area is 4.60*10^-5 m^2 . (i) What sound intensity (in…

A: (i) Write the formula for the sound intensity in dB.

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: Estimate the speed of sound in air at standard temperature and pressure. The mass of 1 mole of air…

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Q: A source of sound has a total emitted power of 300 W. Determine the intensity a distance of 10 m…

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Q: The volume control on a stereo is designed so that three clicks of the dial increase the output by…

A: Since the decibel scale is a logarithmic one, an increase of a fixed number of dB for each click…

Q: An airborne plane sound wave of frequency 1881 Hz is incident at an angle 45° on the calm surface of…

A: Sound pressure is change in pressure observed in the atmosphere due to the presence of the sound…

Q: For an approaching sound source (relative to a stationary observer), the frequency of the sound wave…

A: Required :  Fill in the gaps

Q: A standard trumpet has a resonant tube length of 1.4 m and is closed at one end. What are the first…

A: A standard trumpet has a resonant tube of length is l=1.4 mThe tube is closed at one end.In this…

Q: Suppose you want to build a musical instrument with a hollow pipe that is open at both ends. You…

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Q: The frequency of G, on the piano is 196.0 Hz. (a) What is the wavelength (in m) of sound with this…

A: Given data as per question frequency   =196Hz

Q: A person standing a certain distance from an airplane with four equally noisy jet engines is…

A: Given:Number of jet engines initially running: Sound intensity level when all the engines are…

Q: Suppose fluid B has 4.6 times the bulk modulus and 1.2 times the density of fluid A. Find the ratio…

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Q: What is the sound pressure level at a distance of 21 m from the source

A: Sound pressure level at a distance of 21 from source in dB with integer precision is 75 dB .…

Q: Find the number of decibels for the power of the sound given. Round to the nearest decibel. A…

A: Intensity of sound due to rocket engine (I) = 2.43×10-5 Wcm2

Q: If two firecrackers produce a sound level of 83 dB when fired simultaneously at a certain place,…

A: Given information: Here, L2 is the sound level of the explosion of the two firecrackers and I0 is…

Q: What is the speed of sound, in the unit of m/s, in a medium that has density of ρ = 792 kg/m3 and…

A: Answer-           speed of sound is 1019.383 m/s Solution-

Q: The sound from a trumpet radiates uniformly in alldirections in 20°C air. At a distance of 5.00 m…

A: Given: Distance=5 m Sound intensity level=52.0 dB Frequency=587 Hz Temperature=20°C

Q: What is the speed of sound in benzene, which has a bulk modulus of 1.05 x 10^9 Pa and a density of…

A: Given data:  Bulk modulus (β) = 1.05×109 Pa Density (ρ) = 8.76×102 kg/m3 Required: The speed of…

Q: What sound level in dB is produced by earphones that create an intensity of 6.00 ✕ 10−2 W/m2?

A: Given  Sound intensity  I   = 6.00 ✕ 10−2 W/m2    Loudness of sound in dB is defined as :- L = 10…

Q: Given: The intensity level of a sound wave is 75 dB relative to 1µPa. Required: Determine the…

A: Intensity level of sound relative to 1 μPa (I1)=75 dB We need to find the intensity level relative…

Q: What does it mean to measure sound in decibels? Explain how Hooke's law is related to simple…

A: Note: "Since you have posted multiple questions, we will provide the solution only to the first…

Q: The pressure in a travelling sound wave is given by the equation: Δp = (1.00) sin π [0.900x – 315t]…

A: Given: Δp = (1.00) sin π [0.900x – 315t] ρair = 1.21 kg/m3

Q: Determine how much the average force acting on the eardrum of the human ear (area S = 66 mm2) is…

A: Given data: The area of drum is S=66 mm2. The sound pressure is P1=1123 Pa. The sound pressure…

Q: A microphone receiving a pure sound tone feeds an oscilloscope, producing a wave on its screen. If…

A: Given Data: The initial intensity of a sound is, Ii=2×10-5 W/m2 The amplitude increases the…

Q: As a certain sound wave travels through the air, it produces pressure variations (above and below…

A: Write a given values of this question. ∆P=1.30sinπx-330πtρair=1.20kg/m3ρatm=1.013×105kg/m3

Q: The intensity sound level in air is 61 dB. Calculate Pmax if the temperature is 20°C , the density…

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Q: I The loudness, L, in decibels(dB), is given by the formula L = 10 • log where l = 10-1² W/m². The…

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Q: Calculate the time taken by a sound wave of frequency 800 Hz and wavelength 44 cm to travel a…

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Q: Two atmospheres made of the same gas gases have the following properties: P1 = 3P2 and 2ρ0(1) =…

A: Relation between pressures, P1 = 3P2 Density relationship, 2ρ0(1) = ρ0(2) Ratio, V2/V1 = ?

Q: A sound wave in air has a pressure amplitude of 4.00 Pa and a frequency of 5.00 kHz. Take P  0 at…

A: Given: Pressure amplitude for a sound wave is pmax=4 Pa when x=0. Frequency of the sound wave is…

Q: If the sound level in a place increased from 50dB to 60dB, by what factor has the actual intensity…

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Q: he intensity sound level in air is 65 dB. Calculate Pmax if the temperature is 20 C, the density of…

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Q: A microphone receiving a pure sound tone feeds an oscilloscope, producing a wave on its screen. If…

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Q: A particular jet liner has a cabin noise level of 10^-4.96 W/m. What is this intensity in decibels?…

A: Noise level is I=10-4.96 W/m2 Note: Reference intensity is I0=10-12 W/m2 logmn=nlogm log1010=1 Find:…

Q: Compute the speed of sound of air when the air temperature is 40°C. Express your answer in km/s

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Q: Two pure tones are sounded together. The periods of their pressure variations are 0.0154 s and…

A: Here given,  Periods T1=0.0154s T2=0.0163s Corresponding frequency F1=1/T1 F1= 1/0.0154 H F1=64.935H…

Q: The compression forces and mass densities of two solid materials are related as follows: Bs(1) =…

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Q: Determine how much the average force acting on the eardrum of the human ear (area S = 66 mm2) is…

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Q: The speed of sound in a solid medium is given by the formulae v = VElp where E is the value of…

A: Given that:Speed of sound in steel, v=5800 m/sRod diameter, d=2 cmRod length, l=1 mMass of rod, m=7…