A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m/s in water. If the wavelength of sound note in air is 1.5 m, find its wavelength in water,
Q: A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m's in water. If…
A:
Q: A bat at rest sends out ultrasonic sound waves at 60.0 kHz and receives them returned from an object…
A:
Q: The warning tag on a lawn mower states that it produces noise at a level of 95.0 dB. What is this in…
A:
Q: By what factor k must the sound intensity be increased to increase the sound intensity level by 12.9…
A: Given Data, The increment in sound intensity level (∆β)=12.9 dB
Q: A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies…
A: Increase in dB level, B2 - B1 = 30.0 dB The intensity picked up by the hearing aid, I1 = 3.9×10-10…
Q: A 72.0 dB sound wave strikes an eardrum whose area is 4.60*10^-5 m^2 . (i) What sound intensity (in…
A: (i) Write the formula for the sound intensity in dB.
Q: A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1280 Hz. The…
A:
Q: A source of sound has a total emitted power of 300 W. Determine the intensity a distance of 10 m…
A:
Q: The area of a typical eardrum is about 5.0 x 10 m2 (a) Calculate the sound power (the energy per…
A: We have to use some basic formula here
Q: A sound wave propagating in air has a frequency of 3.70 kHz. Calculate the change in wavelength when…
A: Given data The frequency of the sound wave is f = 3.70 kHz = 3700 Hz The temperature of the initial…
Q: Two sounds are produced in two different strings, one of length 1.25 m and the second 1.28m. The…
A: The relation of the wavelength in terms of the length of the string is λ=2L Calculate the…
Q: What is the speed of sound (in m/s) in a medium where a 189 kHz frequency produces a 0.614 cm…
A:
Q: If the velocity of the sound on air is v=343 m/s and the wavelength A=0.67 meters, what is the…
A: Given that:Velocity, v=343 m/sWavelength, λ=0.67 m
Q: At 1.05 m form a sound source the intensity is measured to be 7.10 x 10^-3 W/m2. Find the decibel…
A:
Q: A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m's in water. If…
A: We have given Velocity in air medium Vair = 300 m/s Velocity in water Vwater = 1050 m/s…
Q: But suppose the distance increases by the factor 4.3. (A) Now what is the change in sound intensity?…
A: Given, the distance increases by a factor 4.3, let the initial distance be r1 and the new distance…
Q: Move away from a sound source, from distance r, to r₂ = 2₁. (A) By what factor does the intensity…
A: Intensity is inversely proportional to the square of the distance from the source. β = 10 logI/I0 β…
Q: When a person wears a hearing aid, the sound intensity level increases by 24.4 dB. By what factor…
A:
Q: A sound note emitted from certain source has a velocity of 300 m/s in air and 1050 m's in water. If…
A: We need to compute-Wavelength of wave in water (λw)=?The data given as-Wavelength of wave in air…
Q: The warning tag on a lawn mower states that it produces noise at a level of 93.0 dB. What is this in…
A:
Q: what would be the perceived frequency of the listener
A: Emitted sound frequency, fs= 100Hz Velocity of the sound, v=350m/s Velocity of the moving trumpet,…
Q: 4. (a) What is the sound intensity for a sound source with a sound intensity level (IL) of 120 dB?…
A: Part A. Intensity level = Say intensity of sound is I. The relation between the intensity level and…
Q: Crickets produce a musical chirping sound at a frequency around 10,000 Hz (very high pitched)! The…
A: Answer :- Given Frequency of sound (f) = 10000 Hz Wavelength (λ) = 0.03 m Speed of sound = V…
Q: A sound wave propagating in air has a frequency of 5.0 kHz. What is the change in wavelength when…
A: The velocity of sound Vs in air is given by : Vs= 331Tk273m/s., where Tk is the temperature in…
Q: What sound level in dB is produced by earphones that create an intensity of 6.00 ✕ 10−2 W/m2?
A: Given Sound intensity I = 6.00 ✕ 10−2 W/m2 Loudness of sound in dB is defined as :- L = 10…
Q: A bat emits ultrasonic sound of frequency 1000 kHz in air. If the sound meets a water surface, what…
A: Given:a)Frequecy of the ulyrasonic sound (f)=1000Hz=106HzSpeed of sound in the air (Va)340m/s
Q: A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1370 Hz. The…
A: Data Given , Frequency emits by bird ( fs ) = 1370 Hz Frequency hears by bird watcher ( f0 ) = 1430…
Q: An ambulance siren emits a sound wave with a frequency of 350 Hz. If the ambulance is at rest and a…
A:
Q: A bird flying directly toward a stationary bird watcher and emits a frequency of 1100 Hz. The bird…
A: Given that,Frequency emitted by the bird, fs=1100 HzFrequency heard by the bird watches, f0=1150…
Q: By how many decibels does the intensity level of a sound increase when you increase the the…
A: increase in intensity of sound = 2.97 times I' = 2.97 I
Q: If the speed of sound through hydrogen is 1280m/s, what will be the speed of sound through a mixture…
A: The formula for the speed of sound in a medium is: Using the conservation of mass, the density of…
Q: A siren mounted on the roof of a firehouse emits sound at a frequency of 900HZ .a steady wind is…
A: Given : f = 900 Hz vw = 15 m/s vs = 343 m/s
Q: A bat emits a sound whose frequency is 83.2 kHz83.2 kHz. The speed of sound in air at 20.0o C is 343…
A:
Q: A sound wave is travelling in air has a frequency of 730 Hz, What is the wavelength of the wave in…
A: Given Frequency = 730 Hz Temperature = 350F = 1.660C
Q: At 1.05 m form a sound source the intensity is measured to be 7.10 x 10^-3 W/m2. Find the decibel…
A:
Q: A person perceives a sound that was produced 4 meters from them. How much less intense would the…
A: Intensity of a sound is inversely proportional to the square of the distance from the source.…
Q: The sound intensity level of two speakers are 71.4 dB and 79.2 dB, respectively. Find the ratio of…
A: sound intensity is defined as the power carried by the sound waves per unit cross-sectional area.…
Q: mplified through a sound system the amplified sound has a sound intensity level that is 12.2 dB…
A: We have givenA sound system the amplified sound has a sound intensity level that is 12.2 dB greater…
Q: On the planet Venus a rare volcanic eruption occurs. The sound of it is 30 Hz and it has a…
A: Given Wavelength is 13.7 m Frequency is 30 Hz.
Q: People with good hearing can perceive sounds as low in level as -9.00 dB at a frequency of 2700 Hz.…
A: Formula of intensity in dB is as follows; I(dB)=10 log II0…
Step by step
Solved in 2 steps
