What is a pure tone? Find an example on your phone and describe the sound.
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A: Given ,Length of the pipe = L Let , wavelength = λSo , Length of the pipe is given by , L = nλ / 2…
Q: Which one is incorrect about sound? Younger people are more sensitive to lower-pitch tones. Humans…
A: Which one is incorrect about sound 1) Younger people are more sensitive to lower-pitch tones. 2)…
Q: A point source emits sound waves with a power output of 237 watts. What is the sound level (in dB)…
A: I = P / 4πr2 P= 237 watts r = 21.3 m
Q: One person shouting can produce a sound level of 85 dB from a distance of 10 m. Suppose there are…
A: Given: The sound level produce when a person shouts is 85 dB from a distance of 10 m. To determine:…
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A: Given, trendline equation , speed = 100x0.5 And x is tension.
Q: A person standing 1.25 m from a portable speaker hears its sound at an intensity of 4.70 x 10-³…
A:
Q: Example: The 6th harmonic of a 65 cm guitar string is heard. If the speed of sound in the string is…
A: Given data: Length (L) = 65 cm = 0.65 m Speed (v) = 206 m/s Required: The frequency of the standing…
Q: What is the time period of a sound wave with velocity 625 m / s in air and a wavelength of 2 m?…
A: Given data: Velocity v =625 m Wavelength λ=2 m
Q: 81. A physics professor demonstrates the Doppler effect by tying INT a 600 Hz sound generator to a…
A: In this question we have to find the highest and lowest frequencies heard by the student. Please…
Q: What sound level in dB is produced by earphones that create an intensity of 4.00 x 10-2 w/m2? dB
A: Given data: Intensity (I) = 4.00×10-2 W/m2 Required: Sound level in dB
Q: 3. A student was blowing air into a closed tube and found that he produced 4 different sounds. Below…
A: Given : 1st diagram : 1st harmonic 2nd diagram : 3rd harmonic 3rd diagram : 5th harmonic 4th…
Q: 10 A. How does the speed of sound in air compare with its speed in water and in steel? Reference…
A: The speed of sound varies significantly depending on the medium it travels through. In general, it…
Q: Q17/ A stationary source has a frequency 1200 Hz, what frequency will be heard by driver of car…
A:
Q: Which point on this standing wave is an antinode? C A, 'D
A: The point in which amplitude of the wave is maximum is called the antinode.
Q: An 180 dB sound can cause permanent hearing damage. By what factor is this larger than the quietest…
A: The quietest audible sound for human is 0 dB.
Q: The fundamental wavelength for standing sound waves in an empty pop bottle is 0.88 m. What is the…
A: Given:
Q: sound wave travels from water into air. Which properties of the wave (speed, energy, wavelength, and…
A: The relation between frequency, wavelength and speed of the wave is f=vλ
Q: Rosina creates a demonstration showing a sound echo. How could she demonstrate this? A She…
A: Echo is the repetition of sound produced by the reflection of sound waves from obstructing surfaces.…
Q: A train travelling at 14.77 m/s is approaching a stationary observer, and sounding a warning horn at…
A: Given Speed of sound = 324.1 m/s Frequency of source =369.5 Hz Speed of source =14.77 m/s
Q: The wavelength of a stationary wave is 4 cm. The distance between two adjacent nodes of the wave is…
A:
Q: What is the pitch of the sound wave dependent on?
A: The number of vibrations per second or frequency determines the pitch of a sound. Frequency is…
Q: True or False; if false please explain why The decibel scale is a base 2 scale. So a 1 decibel…
A: To express the level of sound in numbers a logarithmic scale is used. the base of this scale is 10.…
Q: 1. Why do different objects make different sounds when dropped on the floor?
A: We will answer the first question since the exact one wasn't specified. Please submit a new question…
Q: How much does a sound level increase by if we add three more of the same source? a. 1 dB b. 2 dB…
A: Here three more source is placed at the position.we have to find the change in sound level in dB.
Q: A string on a guitar produces 431 Hz sound. How to increase the pitch of the sound produced by the…
A: Remember that frequency/pitch of sound produced by the string is given by: f = V/λ = Tμ Option A:…
Q: ption w
A: Given: level of intensity can be 70 dB and 40 dB
Q: Part Description Answer Save Status 3 meters away from a source, a sound has an intensity of 5 W/m².…
A: Given, Distance d1 = 3 m Intensity I1 = 5 W/m2 Distance d2 = 14 m…
Q: A sound wave from a helicopter is observed to have traveled a distance of 4 000 m in 20 s. Determine…
A: Given: Distance: s=4000 m Time: t=20 s To find: Speed of sound: v The speed is calculated by the…
Q: A tuning fork produces a sound with a frequency of 256 Hz and a wavelength in air of 1.35 m. a.…
A: Given:frequency of sound, f= 256 Hzwavelength in air, λ = 1.35 m
Q: Sound localization is described by which of the following? Choose all that apply. Group of answer…
A:
Q: An observer in a car moving at 14.4 m/s is receding from a stationary sound source which is sounding…
A:
Q: such as a wall or a cliff. Explain how you can determine how far away the object is by timing the…
A: To Find: How you can determine how far away the object is by timing the echo. Let d be the distance…
Q: II. Mechanical Work D What is the work done on a 40kg dumbbell if the displacement is 0.72m?
A: Given data: Mass of the Dumbell = 40kg Distance travelled = 0.72m acceleration due to gravity = 9.8…
Q: A sound has an intensity of 0.0000024 Watts per square meter. What is this sound's decibel level?
A:
Q: 7. What is the combined level of noise of five sound levels which are: 75dB, 85dB, 91dB, 73dB, and…
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Q: which one is the more pitch of the sound ; A or B or C or D ?
A: Sound is the transverse mechanical wave which vibrates in the direction of motion. The sound has all…
Q: ou like to listen to music at a sound intensity of 3.3×10−53.3×10−5 W/m2. What is the intensity…
A: Given: The intesity of the sound is 3.3x10-5 W/m2. The intensity of the threshold hearing is 1x10-12…
Q: 7. The decibel level of the sound from a certain washing machine is measured at 50 dB. Find the…
A: The sound intensity level in decibel can be represented as, Here, I and I0 represent the sound’s…
Q: Human audible range frequency is within 20 Hz-20 kHz. Determine the sound wavelength for the lowest…
A: Given data: Speed of sound wave in air at 20oC, v=344 m/s Lowest audible frequency, f=20 Hz
Q: A plane is landing and reported having a decibel reading of 67 dB. 1. What is the intensity of the…
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Q: If a 70 cm long guitar string produces a fundamental frequency of 250 Hz. What is the frequency of…
A: Given Fundamental frequency is f1= 250 Hz
What is a pure tone? Find an example on your phone and describe the sound.
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