How the exaggeration scale, the shape of the outgoing sound beam and the actual speed of sound in water are a problem in the interpretation of the echo sounder record?

Q: If the intensity of a sound wave increases by 2%, what is the change in the sound level of the wave?…

A: let initial intensity = 100 W/m2 β = 10 log (I/Io)β = 10 log ( 100 / 10-12)β = 140 dB  New intensity…

Q: the sound intensity (in µW/m2)

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Q: Tripling the distance between sound source and a listener will change the intensity, as detected by…

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Q: he intensity level produced by a jet airplane at a certain location is 170 dB. (a) Calculate the…

A: Solution:   a) We know that, Intensity level I (dB)=10 log II0 Where, I0=10-12 W/m2 I(dB)=170 dB…

Q: A reading of 94 dB is obtained on a sound meter placed near a drill. Calculate the intensity of the…

A: intensity in dB=20log10(I) where I is actual intensity for the given problem 94dB=20log10(I)…

Q: What minimum distance is required between the source of sound and the reflecting surface to hear an…

A: We know speed of light in air is nearly 330 m/s.  Now To differentiate two different sound event our…

Q: What microscopic properties of the air make the speed of sound dependent on its temperature?…

A: The answer is given below

Q: ssume that the speed of sound is 343 m/s at 20 degrees C. Also assume that a bat uses an ultrasonic…

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Q: An outside loudspeaker emits sound waves with a power output of 100 W. Calculate the intensity level…

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Q: The intensity of the sound wave from a jet airplane is 9.2 W/m2 at a distance of 120 m What is the…

A: Intensity of sound wave

Q: An audio device sends out audio waves at frequency 4kHz. Draw a wave and then calculate the distance…

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Q: Why does the attached formula for Sound Intensity not depend on distance from the source?  Does it…

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Q: 11 Sound waves whose intensities about 1 W/m^2 cause damage to the ear. How many decibels is this…

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Q: The intensity of sound a distance r = 0.2m from the source is 5.2WIM².What is the intensity level…

A: SOLUTION AS

Q: In a sound wave, does areas of high density correspond to areas of max displacement?

A: In a longitudinal wave, like sound, the propagation of travel in form of series of compression and…

Q: A loud whistle moves with a constant velocity of 2.5 m/s against a vertical wall perpendicular to…

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Q: For an outdoor concert we want the sound intensity to be 1 W/m2 at a distance of 20 m from the…

A: Let the Intensity is given by I. Let the radius is given by r. Let the power is given by P. The…

Q: A sound source and a listener are both at rest on the earth, but a strong wind is blowing front the…

A: Given: A sound source and a listener are both at rest on the earth, but a strong wind is blowing…

Q: There are Doppler effect blood flow meters that are based on the reflection of sound from red blood…

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Q: An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic sound (sound frequencies…

A: Given, The speed of the sound, v=1530 m/s The time delay, t=10 s

Q: A piano tuner uses a tuning fork that emits sound with a frequency of 440 s-1 . Calculate the…

A: Given, Frequency of tuning fork f = 440 s-1  Velocity of sound v = 343 m/s Distance travel by sound…

Q: At a distance of 5.20 m from a siren, the sound intensity is 4.07 x 102W/m?. Assuming that the siren…

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Q: In a sound wave, a displacement node is a pressure antinode and vice-versa. Explain.

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Q: The record for the world's loudest burp is 109.9 dB, measured at a distance of 2.5 m from the…

A: Sound intensity level is  Distance is Note:Threshold intensity of sound is Find:Power emitted by the…

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

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Q: Imagine the  time delay between the transmission and the arrival of the reflected wave of an…

A: The time delay between the transmission and the arrival of the reflected wave is 0.15 ms. The speed…

Q: What should be the power output of a speaker in order to produce a sound wave that has pressure…

A: Given,Pressure amplitude P=152 mPad=6.14 mair density ρ=1.22 kg/m3

Q: Two sound waves identical amplitudes of displacement S_max, but the first wave has a third of the…

A: The sound intensity level is given by,

Q: electric guitar's amplifier is at a distance of 5.00 m. a) Find the intensity of its sound waves…

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Q: A rock group is playing in a bar sound emerging from the door spreads and uniformally in all…

A: Intensity is defined as the power carried by sound waves per unit area in a direction perpendicular…

Q: The longitudinal oscillations of air layers in sound wave propogation are consistent with the random…

A: The longitudinal waves are characterized by the displacement of air molecules in the direction of…

Q: variation at a point 2 meters away from a gramophone playing music is ∆?max=0.02Pa

A: Use intensity formula

Q: The record for the world’s loudest burp is 109.9 dB, measured at a distance of 2.5 m from the…

A: Given data: Sound intensity level, β=109.9 dB Distance, r=2.5 m Known data: Threshold intensity of…