Why the speed of sound in water is greater than in air?
Q: The intensity (I) of a source of sound is 10 °Wm . I, = 10 -12 Wm . What is the sound level of 10…
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Q: (5) (a) What factor increase in intensity does a 3 dB increase in decibel level correspond to?…
A: When sound is measured instead of measuring it in watts per second we use decibels (dB). This is…
Q: A sound of 50 dB is O 16 times as loud as a sound of 20 dB 10 times as loud as a sound of 20 dB…
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Q: fundamental frequency
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Q: Three identical aircraft produce a total sound level of 1.0×102dB when flying in formation. If each…
A: sound loudness due to three identical aircrafts (β) = 100 dB
Q: An audio speaker producing a steady sound at an outdoor concert is 44 ft away from you. If you move…
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Q: And ultrasound pulse emitted by underwater sonar is reflected by a school of fish. The round-trip…
A: Given that, the speed of sound in water is 1400 m/s, and time for the round-trip echo is0.02s.
Q: What is the shortest resonant length of the air column closed at one end if the wavelength of the…
A: The shortest resonant length of the air column closed at one end is when it's in the first harmonic.…
Q: In a sound wave compressions are regions where density _________________________ A) as well as…
A: Because of the longitudinal motion of the air particles, there are regions in the air where the air…
Q: A person standing a certain distance from an airplane with four equally noisy jet engines is…
A: Given:Number of jet engines initially running: Sound intensity level when all the engines are…
Q: What is the decibel rating of a sound that has an intensity of 3.4 x 108 Wicm2? O 85 dB O 68 dB O 91…
A: Given:- What is the decibel rating of a sound that has an intensity of 3.4 x 10-8 W/cm2? Find :-…
Q: sound
A: The sound energy is transmitted in the medium through vibrations. The amplitude of a wave is…
Q: An organ pipe closed at one end and another open at both the ends will resonate with each other, if…
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Q: The speed of sound in air is 343 m/s, while the speed of sound in metal-x is 1570 m/s. If an…
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Q: The amplitude of a sound wave determines the pitch of a sound, while the sound intensity is…
A: Sound waves are characterized by several properties, including amplitude, frequency, and wavelength.…
Q: A sound intensity level is increased from 30 dB to 50 dB, by what factor does the sound intensity…
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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: The intensity level of an orchestra is 85 dB. A single violin achieves a level of 70 dB. How does…
A: We know that the general formula for the sound intensity level in decibels corresponding to…
Q: An audio speaker producing a steady sound at an outdoor concert is 40 ft away from you. If you move…
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Q: A flat smooth surface will avoid the diffusion of sound energy in all directions. Select one: True O…
A: Step1 - Here we will understand the concept that will be used to solve the question. Reflection of…
Q: at a distance of 4 m from a fan exerting 50W of mechanical energy, estimate the sound level if the…
A: distance (d) = 4 m Power of fan (P) = 50 W Io = 10-12 Wm2
Q: (d) Two people are speaking at the same time, with the voice of one of them slightly higher than the…
A: Pitch is that property of sound that makes it possible to judge higher or lower related to other.…
Q: If the sound level in a place increased from 50dB to 60dB, by what factor has the actual intensity…
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Q: Taylor is farsighted with a near point of 64 cm. What refractive power should be prescribed so that…
A: When an object is held 25.0 cm from the taylor’s eyes, the spectacle lens must produce an image 64…
Q: The change in direction of sound waves caused by variation in its velocity from point to point , is…
A: Ques:
Q: 19-4.12) A sound wave of frequency 313 Hz has an intensity of 1.13 µW/m². What is the amplitude of…
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Q: Jim stands a distance of 3.01 m from one speaker and 4.39 m from a second. The speakers are in-phase…
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Q: Two pianos each sound the same note simultaneously, but they are both out of tune. On a day when the…
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Q: When you consider the effect of density of medium on speed of sound, density is inversely related to…
A: 1. In general, the speed of sound on medium depends on how fast the energy is transferred through…
Q: If the sound intensity level of a plane engine is 140 dB above the threshold of hearing. The sound…
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Q: In a sound wave, a displacement node is a pressure antinode and vice-versa. Explain.
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Q: The record for the world's loudest burp is 109.9 dB, measured at a distance of 2.5 m from the…
A: Sound intensity level is Distance is Note:Threshold intensity of sound is Find:Power emitted by the…
Q: It takes 2.4 s to record the echo of a sonar. If the speed of sound in water is 1450 m/s, the depth…
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Q: Part B Are the air molecules moving horizontally or vertically? The air molecules are moving…
A: Below figure shows displacement of standing sound wave in a 32cm long tube open at both end .From…
Q: Calculate the sound level (in dB) that is produced by earphones that create an intensity of 7.50 ✕…
A: The intensity of the sound is, I=7.5×10-2 W/m2 The threshold intensity of hearing is, I0=10-12 W/m2
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