How far must one stand from a 3.8 mW point sound source if the intensity at that location is at the hearing threshold? Assume the sound waves travel to the listener without being disturbed.
Q: The human ear can detect a minimum intensity of Io = 10-12 W/m2, which has a sound intensity of 0…
A:
Q: By what factor k must the sound intensity be increased to increase the sound intensity level by 12.9…
A: Given Data, The increment in sound intensity level (∆β)=12.9 dB
Q: A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies…
A: Increase in dB level, B2 - B1 = 30.0 dB The intensity picked up by the hearing aid, I1 = 3.9×10-10…
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: A source of sound has a total emitted power of 300 W. Determine the intensity a distance of 10 m…
A:
Q: The area of a typical eardrum is about 5.0 x 10 m2 (a) Calculate the sound power (the energy per…
A: We have to use some basic formula here
Q: An 8 hour exposure to a sound intensity level of 95.0 dB may cause hearing damage. What energy in…
A: Given Data The exposure of the sound is upto time period ∆t = 8 hr. The intensity level of the sound…
Q: How far must one stand from a 4 mW point sound source if the intensity at that location is at the…
A: Given, Power = 4mW
Q: A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity…
A: The sound intensity level experienced by the crew member,
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
Q: The low-frequency speaker of a stereo set has a surface area of 0.05 m2 and produces 1W of…
A: Given: The surface area of the stereo set =0.05 m2 The stereo set produces 1 W of acoustical power…
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: In a corner of Downtown Houston, the sound intensity level is 120 dB. What is the intensity of the…
A:
Q: A typical adult ear has a surface area of 2.1×10-3m2. The sound intensity during a normal…
A: Area, A = 2.1×10-3 m²Intensity, I = 3.2×10-6 W/m²Power, P = ?
Q: A student hears a sound with a power of P = 25 μW. At their distance from the source, the sound has…
A: a)The required radius of the eardrum is,
Q: You are standing 50 m away from a speaker and observe that the intensity of the sound wave coming…
A:
Q: The intensity of a sound wave emitted by a radio is 5.00 µW/m2. What is the sound level (in dB)?
A:
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 person wears a hearing aid that uniformly increases the intensity level of all audible frequencies…
A: Answer:- The hearing aid increase the intensity of sound level 34.2 dB or has a gain 34.2 dB . The…
Q: The low-frequency speaker of a stereo set has a surface area of 0.05 m2 and produces 1W of…
A: Given data The area of the surface is A=0.05 m2 The acoustical power is P=1 W The intensity at…
Q: 10 m from a speaker sound intensity level 60 dB. (a) What is the power of the speaker? (b) What is…
A:
Q: Sounds from the street below come through an open window measuring 0.75 m by 0.88 m.If the power of…
A: Power, P = 1.2 x 10-6 W Area, A = 0.75 m x 0.88 m
Q: A certain source of sound waves radiates uniformly in all directions. At a distance of 20 m from the…
A:
Q: Taking the threshold of hearing to be 1.00 × 10-1² w/m², determine the level of sound (in decibels)…
A: Given that, The threshold intensity of sound is, We need to find the level of sound that can be…
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: mplified through a sound system the amplified sound has a sound intensity level that is 12.2 dB…
A: We have givenA sound system the amplified sound has a sound intensity level that is 12.2 dB greater…
Q: the output power of a spherically symmetric sound source is 6.0 W. the decibel level at a distance d…
A:
Q: The sound level 23.8 m from a loudspeaker is 66.7 dB. What is the rate at which sound energy is…
A:
Q: The intensity
A:
Q: The scream of a little screaming monster reaches the near-side of a sound-insulating wall with an…
A:
Q: A loud vacuum cleaner outputs 1.5 mW of sound energy. What is the intensity of the sound wave 2.0…
A:
Q: A bell produces sound energy at a rate of 0.3 mW and radiates it uniformly in all directions. What…
A: Given: Power P=0.3 mW, Distance r=20 m. Required: Intensity level β of the wave. The sound energy is…
Q: A sound wave travels through air at 20 °C. The decibel level at a distance of 19.4 m from the source…
A:
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 )…
Q: A detector is moved from a position 2.0 cm to a position 16 cm from an ultrasound source. What is…
A:
Q: Chronic exposure to loud noises can be damaging to one's hearing. This can be a problem in…
A: We have given the intensity level of sound produced by a machine andAnd the intensity is reduced by…
Q: A person 6.5m from a loudspeaker hears sound with intensity 0.046W/m^2. What is the intensity of the…
A: since the wave is spherical the surface area of the spherical surface is 4*pi*r^2the expression for…
How far must one stand from a 3.8 mW point sound source if the intensity at that location is at the hearing threshold? Assume the sound waves travel to the listener without being disturbed.
Step by step
Solved in 2 steps