Q17- Infrasound ,the sound frequency between -- O 0-20KHZ 2011-
Q: 7. Consider a 2.3X10 ^6 µm long string which produces a standing wave with 3 loops. What is the…
A: Hey dear using standing wave concept we can solve this
Q: Q14/The intensity in w/m? of a sound level of 60db is--- --- knowing that --- the threshold of…
A: Sound intensity level β in decibel is given by equation, β = 10 log10(i/i0) Where i0 is is a…
Q: 12x10-5W of sound power passed through the surfaces labeled 1 and 2. The areas of these surfaces are…
A:
Q: 3. Give an example of sound strength, sound intensity, sound height, sound color, kites, tone, sighs…
A: Intensity is defined to be the power per unit area carried by a wave. Power is the rate at which…
Q: threshold into
A: correct option is b
Q: 17. A crying child emits a sound with an intensity of 8.0 x 10-6 W/m². Find the intensity level in…
A: The intensity of the sound is 8x10-6 W/m2.
Q: Jet engines typically emit sound over a wide spectrum of frequencies, with the maximum sound energy…
A: When the jet is 1 minute away, the frequency which is heard will be greater than 200 Hz , as the jet…
Q: 6. A trailer truck traveling east at 32.0 m/s sounds a 1100 Hz horn. What is the wavelength of the…
A: Speed of truck (vs) = 32 m/s towards eastFrequency of horn(fo) = 1100 HzThe speed of sound…
Q: The characteristic sound waves used by the bats are ____________: a. none of these b. ultrasound c.…
A:
Q: What is the speed of sound when a musical instrument generates 350 Hz and creates a wavelength of…
A: Frequency of musical instrument,(f)=350 Hz=350 /sec -----(1) [Given] [Using 1 Hz=1 /sec] Wavelength…
Q: 11. If 1 bug makes a sound of 8 dB then what will 25 bugs sound like?
A: 11) Given, Sound intensity level of 1 bug is 8dB.
Q: 13. The warning tag on a lawn mower states that it produces noise at a level of 91.0 dB. What is…
A: Given data
Q: A sound has an intensity of 5 x 10^(-7) watt per sq. m. What is its intensity level? *
A:
Q: Ex2:- Calculate the wavelengths of sounds at the extremes of the audible range, 20 and 20,000 Hz, in…
A: Given: Audible range = 20 Hz to 20,000 Hz. Velocity of sound in air at 30oC = 330 m/s To determine:…
Q: Q17/ A stationary source has a frequency 1200 Hz, what frequency will be heard by driver of car…
A:
Q: 3. The speed of sound in salt water is approximately 1500 m/s. Humpback whales can vocalize sounds…
A: Given Speed of sound in salt water , v = 1500 m/s Ferquency range is varying from 30 Hz to 8000…
Q: 14. The sound level of a normal conversation is about 60 dB. A rock concert is about 10 500 times…
A: Given:- The Sound level of a normal conversation is about β1= 60 dB. A rock concert is about 10500…
Q: 21.
A:
Q: A sound wave is travelling in air has a wavplength of 0.44 m, What is the frequency of the wave in…
A:
Q: 178. The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed…
A: To determine: The length of the open organ pipe Given: Length of the closed organ pipe, l2=20 cm
Q: 8. Two sound waves whose equations are Y-2 sin 200 t and y =6 sin 208 t- 400 100 superpose each…
A:
Q: Wile exploring, you hear a 1000 Hz source. How fast wouid you need to run toward it to detect a…
A: Given:source frequency, f = 1000 Hzdetectable change in pitch, d = 3% = 1000×3100 = 30therefore…
Q: Q14/The intensity in w/m? of a sound level of 60db is-- - knowing that the threshold of hearing =…
A: Given: Sound level = 60db. L = 60 db or 6bel Threshold of hearing Io = 10-12 w/m2 To determine:…
Q: What is the sound intensity level of a sound with an W/m?? intensity of 1.7 x 10-4 dB
A:
Q: 6. An omnidirectional sound source emits sound waves with a power output of 75 watts evenly in all…
A:
Q: A sound has an intensity of 0.0000024 Watts per square meter. What is this sound's decibel level?
A:
Q: Using the sound level versus frequency plot with equal-loudness curves shown below, estimate the…
A: Introduction: Ultrasound is sound that travels through soft tissue and fluids, but it bounces back,…
Q: What is the intensity of the sound wave 3.0 meters from a speaker producing a 25 W sound at a…
A:
Q: The speed of sound is 115m/s and the... frequency is 879 Hz, then is the wave length per unit cm .a…
A: Sound travels through air in the form of longitudinal waves, as compressions and rarefactions. Sound…
Q: What sound intensity level corresponds to a sound intensity of 6.96 x 10-3 W / m2
A: we know that,sound intensity in dBi=10log10(ii0)
Q: What is the wavelength of 5.2 million Hz ultrasound as it travels through human tissue? mm
A: Given data: Frequency f=5.2 million Hz.
Q: Rank the beat frequency from highest to lowest for the following pairs of sounds: a. 132 Hz, 136 Hz…
A:
Q: Determine the frequency of a sound wave if it has a speed of 350 m/s and a wavelength of 2.50 m. Hz
A: Frequency will be 140 Hz.
Q: 12. What is the length (in meters) of an open-closed tube whose second-lowest resonant sound…
A:
Q: Q15/The sound level in db of a sound intensity 10-6 w/m2 is knowing that the threshold of hearing =…
A: The sound level in dB of a sound intensity 10-6 w/m2 is 60db knowing that the threshold of hearing…
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: What is the speed of a transverse wave in a rope of length 2m and mass 60g undera tension of 50ON?
A:
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: Sound travels at a speed of 333 m/s in the air, thus, in 1 s, a distance of 333 m is travelled by:…
A: Sound waves travels is in form of mechanical waves.
Q: Calculate the sound level in decibels of a sound wave that has an intensity of 53 µuW/m².
A: Given value--- Intensity =53 microW/m2 . We have to find--- sound level in dB ?
Q: When acoustic resonance takes place, a loud sound is heard. Why does this happen? Explain
A: When acoustic resonance takes place, the natural frequency of vibration of body is equal to the…
Q: Intensity of sound at a point is ____ its distance from the source. A. directly proportional to B.…
A: Introduction: The intensity of sound is defined as the amount of energy flowing per unit time…
Q: 2. A train generates a sound wave of 123 microwatts/cm2 whilst the jet engine airplane generates 875…
A: Given data: The intensity of train is I1=123 mW/cm2. The intensity of jet engine airplane is I2=875…
Q: 54. What is the intensity in decibels of a 20 Watt speaker at 50 meters away? Intensity = Power/…
A:
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