What is the attenuation of sound intensity by 1 cm of fat at 0.8 MHz?(HVT=6.9 CM)
Q: The human ear can detect a minimum intensity of Io = 10^-12 W/m², which has a sound intensity of 0…
A: Given:- The human ear can detect a minimum intensity of I0= 10-12 W/m2 Find:- If the student hears…
Q: An observer records a sound intensity of 18 W/m2 at 100 cm from a speaker. At what distance does he…
A:
Q: skin surface fr fo V Calculate the speed of flow of the blood.
A: Doppler shift is the phenomenon of the change in the frequency of wave with respect to the observer…
Q: Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength…
A: Given data The wavelength is λ=1.50 μm The lamp output is P=200 W The diameter of the circular area…
Q: A coyote can locate a sound source with good accuracy by comparing the arrival times of a sound wave…
A: Given data: The frequency of sound is f=1000 Hz. The distance of bird directly above right ear is…
Q: 7. A dB meter registers 129 dB when placed 1.50 m in front of a loudspeaker. Assuming uniform…
A: Given value--- sound intensity level 1 = 129 dB. r1 = 1.5 . sound intensity level 2 = 76 dB. r2 = ?
Q: What are the wavelengths in air of the lowest and highest audible frequencies if the human hearing…
A:
Q: Problem 4: An audio engineer takes decibel readings at distances of rl m and r 21 m from a concert…
A: Given: Distances, r1=11 mr2=21 m And, β=101 dB To find: a) Intensity of sound b) Power, c)…
Q: 7. A dB meter registers 127 dB when placed 2.20 m in front of a loudspeaker. Assuming uniform…
A:
Q: dolphin uses echolocation underwater to “see” its surroundings. If the speed of sound in the ocean…
A: Find the time taken by the dolphin to hear an echo. ∆t=2dv
Q: A car's siren emits a sinusoidal wave with frequency fₛ=280Hz, the speed of sound V = 270m/s and the…
A:
Q: A microphone emits sounf with 24.8 W uniformly in every direction. A listener hears the sound at…
A: Given : Power (P) = 24.8 W Distance (r) = 5 m
Q: With a sensitive sound-level meter, you measure the sound of a running spider as 210 dB. What does…
A: Sound is defined as Repetitive Vibration compression of the air that is detected by the human ear or…
Q: What is the SPL 50 meters from a 10 W monopole source emitting a continuous 2 kHz tone in seawater…
A:
Q: Sound wove is propogoting in air wth 400 e froqnoy. he distance covered by 2 rorefactions and 2…
A:
Q: A .3m tube is filled halfway with water, and, on a cool day, a resonance is heard when a 350Hz…
A:
Q: a) Find the size of the smallest detail observable in human tissue with 50.5 MHz ultrasound. (Use…
A: In this question we have to find the size of the smallest detail, the effective penetration depth…
Q: The wave functions of two sinusoidal waves y1 and y2 travelling to the right are given by: y1 = 0.02…
A:
Q: An echo is heard in 3 s. What is the distance of the reflecting surface from the source, given that…
A: Given : Speed of sound (v) = 342 ms-1 Echo returns in time (t) = 3 s
Q: We know that in a sound wave there are three associated waves: a longitudinal displacement wave, a…
A: A sound wave is a longitudinal wave, in which a particle vibrates in the same direction of the wave…
Q: The wave functions of two sinusoidal waves y1 and y2 travelling to the right are given by: y1 = 0.02…
A:
Q: A travelling wave on a taut string is given by the wave function: y(x,t) = 0.1 sin(2tx - 300t),…
A: equation of the wave is y = 0.1 sin(2πx - 300t)Therefore, amplitude A = 0.1angular frequency ω =…
Q: On its highest power setting, a certain microwave oven projects 1.00 kW of microwaves onto a 30.0 by…
A: Given data The Highest power setting of the microwave is given as P = 1 kW = 1 x 103 W. The area of…
Q: A flat sound wave with a power of 100 nW/m² expands at a speed of 340 m/s. What is the average…
A:
Q: The speed of a 25-kHz sound wave in seawater is approximately 1650 m/s. What is its wavelength in…
A: Given, Frequency of the sound wave = 25 KHz Speed of sound wave in seawater = 1650 m/s. We know…
Q: Under favorable conditions, the human eye can detect light waves with intensities as low as 2.50 x…
A:
Q: Find the intensity level in decibels for sound with intensity 2.4 times 10 to the negative 6 power…
A: The level of sound or loudness may be expressed in decibels above the standard threshold of hearing…
Q: The range for audible sound for the human ear is 120HZ to 150HZ 200HZ to 200,000HZ 20HZ to 20,000HZ…
A: Frequency is defined as the number of circumstances of a repeating event for every unit of time.…
Q: (a) What is the speed of sound in a medium where a 100-kHz frequency produces a 5.96-cm wavelength?…
A: To determine: (a) The speed of sound in a medium. (b) What is the name of the substance for this…
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) The attenuation coefficient alpha [dB/(cmMHz)] of water at this frequency is dB/(cmMHz) ?
A: To find the coefficient alpha frequency, To find How much would it reach the water/skin interface?
Q: Two waves y1 and y2 each of frequency f=5 Hz, wavelength A=2 m, amplitude A=0.4 m travel in the…
A: Given values: Frequency, f=5 HzWavelength, λ=2 mAmplitude, A=0.4 mPhase difference,ϕ=π2
Q: 2. A Martin guitar has an 80 cm wire. When this wire vibrates unfingered then it produces sound with…
A: We are given length of wire. We are also given frequency when there is no fingering. We are then…
Q: An FM communication system has a sensitivity of 4 kHz/V. How much deviation (in Hz) does it produce…
A:
Q: A small source emits sound waves with a power output of 95 W. Take I0 = 1 x 10-12 W/m2. Find the…
A: Given : Sound wave's power →P=95 W Initial intensity →I0=1×10-12 W/m2 Distance →r=700 cm=7 m Sound…
Q: The motion detectors used in our labs are ultrasonic, operating at 25,000 Hz. In a lab room where…
A:
Q: A sound wave enters the thin tube at P and exits at Q. Assume r = 0.50m and the wavelength is 1.12m.…
A:
Q: x and y are in meters andt is in seconds. The resultant interference wave function is expressed as:…
A: When two waves are superimposed with each other the resultant wave is given by y…
Q: The wave functions of two sinusoidal waves y1 and y2 travelling to the right are given by: y1= 0.02…
A:
Q: During ultrasound examination of a patient with spherocytosis, it was noted that 1 MHz signal after…
A: fdoppler = f0 *2 * verythrocyte * cos θ/ c where f0 = transmitted frequency f doppler = detector…
Q: The sound from a trumpet radiates uniformly in alldirections in 20°C air. At a distance of 5.00 m…
A: Given data β=52 dbf=587 Hz
Q: What is the wavelength in air at 22° C of a 440 Hz sound?
A:
What is the attenuation of sound intensity by 1 cm of fat at 0.8
MHz?(HVT=6.9 CM)
Step by step
Solved in 2 steps with 2 images
