To produce a digital audio bit stream of an audio signal that contains tones at 350 Hz, 1000 Hz and 1500 Hz, you should use a sampling rate of Ⓒ3200 Hz 1850 Hz 3000 Hz 2000 Hz
Q: A sound wave with intensity 2 x 10 -3 W/m2 is perceived to be modestly loud. Your eardrum is 6 mm in…
A: Intensity of sound (I) = 0.002 Wm2Diameter of eardrum (d) = 6 mm
Q: The low-frequency speaker of a stereo set has a surface area of 0.06 m2 and produces 1 W of…
A: Given : Surface area, A1 = 0.06 m 2 Power, P = 1 W Intensity, I = 0.24 Wm2
Q: A sound of intensity I = 10-6 W/m2 falls on a detector of area A = 7 x 10-5 m2. (This is about the…
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Q: An organ pipe closed at one end and open at the other has a length of 1.7 m. (a) What is the longest…
A:
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: Suppose a dolphin sends out a series of clicks that are reflected back from the bottom of the ocean…
A: Given:Distance covered by the sound to reach the bottom of the sea (d) = 55 mSpeed of sound in…
Q: A 3.49 rad/s (33 rpm) record has a 6.00-kHz tone cut in the groove. If the groove is located 0.100 m…
A:
Q: Visible light ranges in wavelength from 400 nm to 700 nm. What is the lowest frequency of visible…
A: Wavelength range of visible light 400 nm to 700 nm. Note that 1 nm = 10-9 m
Q: we are moving away from a stationary cell phone tower at 25 m/s. If the frequency emitted by the…
A:
Q: A speed radar aims microwaves with a frequency of 20 GHz at an incoming vehicle traveling at 135…
A: Given, Origianl frequency of the microwaves emitted by the speed radar is f0=20GHz=20×109Hz Speed…
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: NIT Vn(x, t)=√ sin(x) e-Ent/h, for and ₁(x, t) = 0 elsewhere. 1) Calculate the probability densities…
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Q: A DJ is setting up their equipment and measures the sound level near a speaker to be 44.72dB. They…
A: Given,
Q: A SONAR system fixed in a submarine operates at a frequency 40.0 kHz. An enemy submarine moves…
A: Calculating the frequncy reflected by the enemey submarine:Note: This frequncy will not be recieved…
Q: An fıre truck races down a road at 75 km/h with its siren blazing. The siren has a frequency of 580…
A: Calculate the speed of sound in air at T=22°C. v=331 m/s1+T273 °C=331 m/s1+22 °C273 °C≅344 m/s Here,…
Q: Given: The intensity level of a sound wave is 75 dB relative to 1µPa. Required: Determine the…
A: Intensity level of sound relative to 1 μPa (I1)=75 dB We need to find the intensity level relative…
Q: If two adjacent frequencies of an organ pipe closed at one end are 550 Hz and 650 Hz, what is the…
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Q: A loudspeaker on a tall pole broadcasts sound waves equally in all directions. What is the…
A: Recall β=loudness=10dBlogI/I0 I=P/A
Q: A bat can detect small objects, such as an insect, whose size is approximately equal to one…
A: As we know that the wavelength is called to be the ratio of the speed of the wave to its frequency.…
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: An organ pipe is open at both ends. The frequency of the fourth mode is 316 Hz higher than the…
A: f4-f3=316 HzVelocity of sound= 340 m/s
Q: nign. windows, door, 1.2 m x 2 m. wide. Each surface has an Absorption coefficient of 1,000 Hz as…
A: Absorption coefficient: Absorption coefficient definitions. a measure of the rate at which…
Q: The average depth of penetration of an ultra-sound wave of the frequency f = 800 kHz in tissue is 4…
A: Given The initial intensity of the wave is I0=10 W/m2. The skin depth or average depth of…
Q: Two loudspeakers in a 20°C room emit 686 Hz sound waves along the x-axis. What is the smallest…
A:
Q: Verify the values given in the textbook for the wavelengths (in air) of the lowest and highest…
A: Speed of the sound is related to frequency and wavelength as V=fλ
Q: The amplitude of two sinusoidal waves propagating in the same direction is A = 0.027 m. Due to their…
A: Given data The amplitude of each wave is A=0.027 m The amplitude of the resultant wave is Ares=0…
Q: Two waves of wavelengths 52.5 cm and 52 cm produce 5 beat/s. Their frequencies are (a) (c) 490 Hz,…
A: To find- The frequency of two waves=? Given- λ1=52.5 cmλ2=52 cmBeat frequency=5 beats/sec.
Q: A 250-Hz tuning fork is struck and the intensity at the source is I1 at a distance of one meter from…
A:
Q: An oceanic depth-sounding ship surveys the ocean bottom near the Mariana Trench, the deepest known…
A: (given) Travelling speed (v) of ultrasonic sounds in sea water = 1430 m/s Time (t) = 15.4 s t is the…
Q: How to convert 0.5 µW to dBSIL? (1 W = 1 000 000 µW).
A: Given thatdB=10 logPoutPindBSIL=?Pin=10-12 W/m2Pout=0.5 μ W/m2 As, 1μ W=10-6 Wso, Pout=5×10-7 W/m2
Q: The octave-band sound-pressure-level data generated by an electric shaver in the presence of random…
A: The Given Table of noise vs band center frequencies are: Frequency(Hz) Noise (dB) 63 60 125…
Q: A student wants to establish a standing wave on a wire 2 m long clamped at both ends. If the wave…
A: Given: Length standing wave on wire,L=2 mWave of speed,v=72 m/s,n=1
Q: A string on a musical instrument is fixed at both ends - like a guitar. If the length of the string…
A: The answer is given below
Q: A bat can detect small objects, such as an insect, whose size is approximately equal to one…
A: Given, frequency (f) = 51.0 kHz = 5.1 * 104 Hz speed of sound…
Q: A sound wave has frequency f and velocity VM in a particular solid medium. What is its wavelength in…
A: Given: The frequency of the wave is 400 Hz. The speed of the wave is 3720 m/s.
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