What sound intensity levels must sounds of frequencies 60, 3000, and 8000 Hz have in order to have the same loudness as a 40-dB sound of frequency 1000 Hz (that is, to have a loudness of 40 phons)?

Q: What is the intensity of a sound that has an intensity level of

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Q: A sound wave has a frequency of 1998n Hz. What is the distance between crests or copressions of the…

A: Distance between two succesive compression or crests is known as wavelength of the wave. we know…

Q: Calculate the wavelengths of sounds at the extremes of audible range, 20 and 20000Hz, in 30.0o C…

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Q: When one person was talking in a small room, the sound intensity level is 57 dB everywhere within…

A: Intensity of one person = I Intensity level = 10*log(I/Io) = 57 Io = threshold intensity = 10^-12…

Q: god whistle is designed to produce a sound with a frequency beyond that which can be heard by humans…

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Q: if the intensities of two sounds are 6.4*10-1 W/m2 and 2.7*10-3 W/m2, what are their decibel levels.…

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Q: When one person was talking in a small room, the sound intensity level is 49 dB everywhere within…

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Q: (a) What is the intensity in watts per meter squared of a just barely audible 200-Hz sound? (b)…

A: At bare minimum audible level for a given frequency is plotted in the figure below,     The formula…

Q: The smallest change in sound level that can be detected by a person with normal hearing is 1 dB.…

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Q: What sound intensity levels must sounds of frequencies 60, 3000, and 8000 Hz have in order to have…

A: Refer to the graph below which shows the variation of sound level with frequency at various phon.

Q: What is the decibel level of a sound that is three times as intense as a 83.2 dB sound? (b) What is…

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Q: (a) What are the loudnesses in phons of sounds having frequencies of 200, 1000, 5000, and 10,000 Hz,…

A: (a) From graph, it can see that the loudness in the phons of sound having frequencies of 200, 1000,…

Q: Calculate the sound level in decibels of a sound wave that has an intensity of 24 uW/m2.

A: Given information: The Intensity of the sound (I) = 24 μW/m2 The standard intensity of the sound…

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: (a) Find the intensity in watts per meter squared of a 60.0-Hz sound having a loudness of 60 phons.…

A: (a) The loudness (β1) level corresponding to 60 Hz frequency and 60 phons is approx 75 dB (from the…

Q: The sound intesity measured 5m from a jet engine is 10 W/m2. What is the corresponding sound level?

A: The sound level 5 cm from a jet engine= 10 watt/sq.mThe intensity that least audible be human ear =…

Q: Minimizing sound intensity Two sound speakers are 100 m apartand one speaker is three times as loud…

A: Given: h(t)= 1000-16t2 need to find the At what point on a line segment between the speakers is the…

Q: A person standing a certain distance from seventeen identical loudspeakers is hearing a sound level…

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Q: (a) During lunch 11B produces a sound level of 75-dB, what is the intensity of sound? (b) What would…

A: (a) The sound pressure level (L) be defined as, LdB=10log10II0 Here, I is the intensity of sound. I0…

Q: Two students hear the same sound and their eardrums receive the same power from the sound wave. The…

A: Given; Let there be two students A and B.  Both receives the same power from sound wave i.e. PA =…

Q: Name the unit used to measure the sound level. What is the safe limit of sound level in dB for our…

A: The loudness of the sound is defined as the responds of sound to our ear. It also tells about the…

Q: A DJ is setting up their equipment and measures the sound level near a speaker to be 79dB. They…

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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: THe loudness L of a sound is measured by L=10 log10^R where R is the sound's relative intensity. One…

A: Given that,  The loudness of the sound in decibel, L is 10log10R, where R is the relative intensity,…

Q: A clarinet player is sounding a sustained tone of 264 Hz. A second player sounds what he intends to…

A: Given:First frequency,f1=264 HzBeat frequency,fbeat=4 beat/secondFind second frequency,f2Now, Beat…

Q: Approximately how many times louder (i.e., Sound Level) is a 100‐dB sound than a 60‐dB sound?…

A: Recall β=10dBlog(I/I0)

Q: (a) Find the intensity in watts per meter squared of a 100 Hz sound having a loudness of 50 phons.…

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Q: distance has sound intensity level L1 of 73 dB. Find the corresponding Inte

A: Given: dB level =73dB. It is known that, dB level=10 logII0

Q: If a sound is perceived as being 8x louder than a 33 dB sound. What is the decibel level of the…

A: Given:If a sound is perceived as being 8x louder than a 33 dB sound.Find the decibel level of the…

Q: A person standing a certain distance from eighteen identical loudspeakers is hearing a sound level…

A: Given  18 Identical loudspeakers with sound level intensity of 117 dB To find out Sound level…

Q: A whale makes a sound in the water with a frequency of 300 Hz sound moves at a speed of 1400 n/s in…

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