Find the intensity of a 55 dB sound given Io = 10-¹2 W/m²
Q: A sound wave with intensity 2 x 10 -3 W/m2 is perceived to be modestly loud. Your eardrum is 6 mm in…
A: Intensity of sound (I) = 0.002 Wm2Diameter of eardrum (d) = 6 mm
Q: The human ear can detect a minimum intensity of Io = 10-12 W/m2, which has a sound intensity of 0…
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Q: A sound wave has intensity I, measured in units W/m^2. Show how to convert this intensity, I, to dB.
A: Given:- A sound wave has an intensity I. The unit of intensity is W/m2. Find:- Show how to convert…
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: 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: At 1.05 m form a sound source the intensity is measured to be 7.10 x 10^-3 W/m2. Find the decibel…
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Q: Given the speed of sound is 331 m/s in air, and a sound frequency of 3730.48 Hz, what is the…
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Q: The decibel level of a sound is defined to be $100 (7) B= 10 log where I is the intensity of the…
A: A train horn with a decibel rating ofwith a radius of.We need to find the intensity of the train…
Q: What is the sound level of a sound whose intensity is 9.5×10-6 W/m2?
A: The intensity of the faintest sound that is audible is called the Threshold of Hearing. This has an…
Q: The warning tag on a lawn mower states that it produces noise at a level of 93.0 dB. What is this in…
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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: Find the intensity level in decibels for sound with intensity of 8.1 times 10 to the negative power…
A: intensity of sound (I) = 8.1×10-7 Wm2
Q: The table gives an estimate for the sound intensity of a whisper at 1.0 m. What is the sound…
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Q: The intensity of a sound is 30 W/m2 If the intesity level of sound increased by 20 decibels, what…
A: Given:I1 =30Wm2 increasing intensity =20dBTo find: New intensity I2=?
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: The intensity of the sound from a certain leaf blower is measured at 25 × 10−2 W/m2. Find the…
A: The intensity of the sound is I = 25×10-2 W/m2
Q: he amplitude of a sound wave is measured in terms of its maximum gauge pressure. By what factor does…
A: Given: The sound level is ∆β=36 dB. The expression for sound level is: ∆β=10 dBlog10A2A12 Here, A1…
Q: A 57-dB sound wave strikes an eardrum whose area is 5.0x10-5m^2. The intensity of the reference…
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Q: Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the…
A: Given:The diameter of the ear is .The intensity of the sound is .
Q: The sound intensity level inside a typical modern airliner inflight is 66.0 dB. The air in the cabin…
A: Sound intensity level = 66.0dBAir in the cabin (density)=0.920 kg/m3speed of sound = 344…
Q: At 1.05 m form a sound source the intensity is measured to be 7.10 x 10^-3 W/m2. Find the decibel…
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Q: The speed of sound in air is given as 340 m/s. What is the wave length of a 318 frequency wave?
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Q: A sound level of 0 dB corresponds to a sound intensity of 0 W/m2. True or False?
A: Sound waves are longitudinal waves. This implies that the direction of propagation of the sound wave…
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- The level of sound D in decibels is defined as follows: 10 log (10-16) I where I is the sound intensity in watts per centimeters squared. Determine the level in decibels of a sound with intensity I 10-8 watts ст?People with good hearing can perceive sounds as low in level as -9.00 dB at a frequency of 2700 Hz. What is the intensity of this sound in watts per meter squared?A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 5.89 104 Hz, and if the speed of sound in air is 343 m/s, what is the smallest insect a bat can detect?mm
- Find the intensity level of a sound with intensity 0.0000041 W/m^2.The speed of sound in a certain monatomic gas is 320 m/s at room temperature (20℃). What gas is this?Two sound waves have intensities of 1 times 10 to the -5 W/m2 and 5 times 10 to the -4 W/m2. What is the difference in their intensities levels (db)? I0 = 10 to the -12 W/m2.
- By measurement you determine that sound waves are spreading out equally in all directions from a point source and that the intensity is 2.9x10-2 W/m² at a distance of 4.0 m from the source.The fundamental frequency of a closed pipe is 200Hz. What is the frequency of first overtone?Find the range of wavelengths emitted by the bat in meters, by using that the speed of sound is c=343m/sec and the range of frequencies from 70 to 30KHz. The solution matches the range of sizes for an insect. What is the order of magnitude for this range? Take this order and call it L for the average size of an insect. b) If the bat produces a power of P = 10^-5 watts and its hearing threshold is 10^-12 watts/m^2 what is the maximum distance from which the bat can detect an echo?