A point source emits sound waves with a power output of 273 watts. What is the sound level (in dB) at a distance of 51.1 m? (Answer in 2 decimal places)
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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.
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A: Given, Power = 4mW
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Q: You are standing 4 m away from a speaker and experience a sound level that is 90 dB. What is the…
A: distance (d) = 4 m sound level = 90 dB
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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: When a person wears a hearing aid, the sound intensity level increases by 24.4 dB. By what factor…
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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: A source of sound has an intensity I1 and when its sound level is measured at a fixed distance the…
A: The initial sound intensity of the source is The final sound intensity of the source is The…
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: You work at a building site and the noise level has been measured at 95 dB. You need to wear…
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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 decibel level 3 m from a source of sound is 105 dB? What is the decibel level 9 m from the…
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Q: The intensity of a sound wave emitted by a radio is 5.00 µW/m2. What is the sound level (in dB)?
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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: at what distance from the factory (in km) is the intensity level of the whistle sound equal to 12…
A: Given, Factory whistle can be heard up to a distance, D=1.1Km=1100m Threshold of human hearing,…
Q: A sound source emits 26.0 W of acoustical power spread equally in all directions. What is the sound…
A: Power emitted by source = P = 26 wDistance of point from source = r = 31.5 m
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A: Given; Let there be two students A and B. Both receives the same power from sound wave i.e. PA =…
Q: A sound has an intensity of 0.0000027 Watts per square meter. What is this sound's decibel level?
A: Mathematically, the loudness of sound(B) or sound level in Decibels can be given as, B = 10log10IIo,…
Q: A certain source of sound waves radiates uniformly in all directions. At a distance of 20 m from the…
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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…
Q: How far must one stand from a 2.2 mW point sound source if the intensity at that location is at the…
A: Given Data : The power of the point source is given as P = 2.2mW.
Q: How far must one stand from a 3.8 mW point sound source if the intensity at that location is at the…
A: The threshold intensity for the human ear is 0 DB. that means intensitt is I = 1.0 x 10-12 w/m2 .
Q: The warning tag on a lawn mower states that it produces noise at a level of 99.0 dB. What is this in…
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Q: the output power of a spherically symmetric sound source is 6.0 W. the decibel level at a distance d…
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Q: If the sound intensity level of one person speaking is 66 dB, what is the sound intensity level…
A: Given: The sound level of the oner person is 66 dB. The nymerb of the person is 150.
Q: People with good hearing can perceive sounds as low in level as -9.00 dB at a frequency of 2700 Hz.…
A: Formula of intensity in dB is as follows; I(dB)=10 log II0…
Q: The intensity of sound is measured on the decibel scale, dB. The equation dB=10logI represents the…
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Q: The sound intensity level of a device is 2.00×10−2 W/m2. Convert this sound intensity level to…
A: Intensity of the sound level is I = 2.00×10−2 W/m2
Q: A trumpet creates a sound intensity level of 115 dB at a distance of 1.00 m. What is the sound…
A: sound level due to one trumpet = 115 dB using formula , β = 10 log (I/Io)115 = 10 log ( I/10-12)I =…
Q: A loud vacuum cleaner outputs 1.5 mW of sound energy. What is the intensity of the sound wave 2.0…
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Q: 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…
A: The formula to calculate the difference in sound intensity levels (dB) between two sound waves with…
Q: A noise has an intensity of 2.4×10-8 W/m2. If the threshold of human hearing is I0 = 1.0×10-12 W/m2,…
A: Given data: Intensity (I) = 2.4 ×10-8 W/m2 Threshold hearing (I0) = 1.0×10-12 W/m2 Required: The…
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: A sound wave radiates from a speaker in all directions. If the power of the sound source is 200 W,…
A: Given data -power of the sound source ( P) = 200 Wdistance of the wave source from the speaker ( r )…
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