You double the intensity of a sound wave in air while leaving the frequency unchanged. (The pressure, density, and temperature of the air remain unchanged as well.) What effect does this have on the displacement amplitude, pressure amplitude, bulk modulus, sound speed, and sound intensity level?

Q: What tension is needed to make a 1.2m long string resonate at its fourth harmonic with a frequency…

A: Given Data: The length of a string is, L=1.2 m The frequency of a string is, f=240 Hz The linear…

Q: A tube is open only at one end. A certain harmonic produced by the tube has a frequency of 987 Hz.…

A: Frequency of nth harmonic, fn=987Hz Frequency of (n+1)th harmonic, fn+1=1270Hz Speed of sound,…

Q: If a violin string vibrates at 490 Hz as its fundamental frequency, what are the frequencies of the…

A: 1) Given , Fundamental frequency of vibrating violin string is f= 490Hz We want to find frequencies…

Q: A certain loudspeaker system emits sound isotropically with a frequency of 2000 Hz and an intensity…

A: Intensity of sound wave is defined as  power carried by sound wave per unit area, in the direction…

Q: The density of a muscle is 1.3 g/cm3 and the sound velocity in it is 1.5 km/s. The acoustic…

A: Density, ρ = 1.3 g/cm3 = 1.3×103 kg/m3 Velocity, v = 1.5 km/s = 1500 m/s

Q: A coil with self-inductance L and no resistance is in series with a light bulb of resistance R and a…

A:

Q: Since the density of air decreases with an increase in temperature, but the bulk modulus B is nearly…

A: The speed of sound in air should increase with increasing temperature.   Speed of sound waves is…

Q: The period of the lowest-frequency sound the normal ear can hear is 0.050 s. Calculate its…

A:

Q: A tube is open only at one end. A certain harmonic produced by the tube has a frequency of 854 Hz.…

A: Fundamental frequency for an open tube at one end is : F = n*V / 4L n=3  and L = 0.6 m    Given that…

Q: A band has two string instruments with 75-cm long and linear densities of 0.75 g/m and 3 g/m…

A: Given data: -  The length of two strings is L = 75 cm. The linear density of string 1 is μ1 = 075…

Q: Approximately a third of people with normal hearing have ears that continuously emit a low-intensity…

A:

Q: The A string on a violin has a fundamental frequency of 440 Hz. The length of the vibrating portion…

A: We have a string of mass m=0.36 g=0.36×10-3kg and length L=34 cm=0.34 m which is vibrating with a…

Q: What is the fundamental frequency of this pipe? (b) What are the lowest and (c) highest frequencies…

A: Fundamental frequency    fo = V/2L = 350/(2×0.5) = 350 hz.

Q: (a) In a liquid with density 1300 kg/m3, longitudinal waves with frequency 400 Hz are found to have…

A: a) The expression for find speed of the wave is v=fλ Substitute values in the above equation…

Q: band has two string instruments with 75-cm long and linear densities of 0.75 g/m

A: Given mass density =0.75 g/m Tension in the string T = 30 N

Q: The speaker diaphragm with a diameter of 30 cm oscillates with an amplitude of shift 0.020 mm.…

A: Assumptions : Frequency of the electrical signal= 1kHz Angular frequency of the signal = ω=2πx103…

Q: The velocity of sound in a rod is proportional to the square root of the ratio of Young's modulus to…

A:

Q: A uniform wire of length 49 cm and linear density 4 × 10-* kg/m is subjected to a tension of 28 N.…

A: To find-Frequency for,(a) Fundamental mode(b) Second harmonic and (c) Third overtoneGiven…

Q: Davie flexed his lowest bass guitar with strings of length 1.00m between fixed points. One string,…

A: Given : L = 1.00 m u = 60 g/m = 0.06 kg/m f = 25.0 Hz

Q: A whistle of frequency 540 Hz moves in a circle of radius 60.0 cm at an angular speed of 15.0…

A:

Q: sure recovery when the at Ax/A, 1.2, i.e. th

A: Given as, p0=30 kPa

Q: Reference: Problem 11-93. A bat emits an ultrasound burst (frequency = f) as it flies toward a cave…

A:

Q: Determine how much the average force acting on the eardrum of the human ear (area S = 66 mm2) is…

A: Given data: The area of drum is S=66 mm2. The sound pressure is P1=1123 Pa. The sound pressure…

Q: Supposing that your eardrum receives a sound intensity level of 90 db. The Area of the eardrum is 5…

A:

Q: The D-string on a properly tuned guitar produces a tone with a fundamental frequency of 146.8 Hz.…

A:

Q: afacturer: (1) an improved muffler that each frequency band, (2) a reduction in reduce the sound…

A: Given as,

Q: A steel rod 100 cm long is clamped at its middle. The fundamental frequency of longitudinal…

A: To find-Speed of sound (V)=?Given-Length of rod (L)=100 cm,L=1 mFundamental frequency (n)=2.53…

Q: Refer to the figure below where the attached mass m hangs from a cord around a pulley, with m= 5.00…

A: mass , m = 5 kg Length , L = 2 m Frequency , f = 150 Hz  Number of loops , n = 6  To find = a)…

Q: Two strings, A and B, have respective mass densities , and H, respectively. The linear mass density,…

A:

Q: A pipe open at both ends has a length of 0.88 m. If the temperature of the room is 291 k, caculate…

A: Given: length, L= 0.88 m  speed of sound, V= 331 m/s  n = 3 harmonic   Solution: Consider the…

Q: The windpipe of a typical whooping crane is about 4.1 ft long. What is the lowest resonant frequency…

A:

Q: Approximatelya third of people with normal hearing have ears that continuously emit a low-intensity…

A: In the given observation, the sound wave has some frequency with a certain pressure amplitude. We…

Q: Two strings, A and B, have respective mass densities µA and µB respectively. The linear mass…

A: It is given that the fundamental frequency of the two settings are equal we have to find the ratio…

Q: A flute is a 66.0 cm pipe that is open at both ends. What are the first three harmonics when all…

A: Given, Length = 66 cm = 0.66 m Speed of light (v) = 340 m/s

Q: The intensity at the threshold of hearing for the human ear at a frequency of about 1000 Hz is 1l, =…

A: Intensity is given by, I=2π2ρvf2A2 From the above expression, I∝A2

Q: A guitar string is 104 cm long and has a mass of 3.10 g. From the bridge to the support post (L) is…

A:

Q: An aluminum rod, 1.00 m long, is held lightly in the middle. One end is struck head-on with a rubber…

A:

Q: an organ pipe whose length is held constant resonates at a frequency of 224 Hz when the air…

A:

Q: A string is fixed at both ends and is vibrating at 136 Hz, which is its third harmonic frequency.…

A:

Q: An organ pipe is 120 cm long. What is the second audible harmonic if the pipe is open at both ends?…

A:

Q: A tube open at both ends has length 47 cm. calculate the fundamental frequency of air column.…

A: The length of the air column is equal to one-fourth of the wavelength for the first harmonic. The…

Q: A band has two string instruments with 75-cm long and linear densities of 0.75 g/m and 1.5 g/m…

A:

Q: The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius.  Suppose you put a…

A: Given Speed of sound in air  (V0) = 331 m/s                                at 0° C   We know speed…