The area were the molecules are least crowded in a sound wave is called the _
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A: Intensity I=PowerAreaSince the sound is emitted isotropically by a point source,we are going to have…
Q: If you saw a lightning at t = 0 and heard the thunder at about t = 5 s. Estimate the distance of the…
A: Given, Time, t= 5s, speed of sound, vs=343 m/s.
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A: Sound travels as vibrations of molecules in air. Sound waves are longitudinal in nature, with…
Q: In the upper atmosphere at altitudes where commercial airlines travel, we find extremely cold…
A: Given data *The given temperature is T = -470 C = (-47 +273) K = 226 K
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A: Speed = frequency × wavelength Case 1 :- frequency = 405 Hz. Speed of sound in air at room…
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A:
Q: Estimate the speed of sound in air at standard temperature and pressure. The mass of 1 mole of air…
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
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A:
Q: For an approaching sound source (relative to a stationary observer), the frequency of the sound wave…
A: Required : Fill in the gaps
Q: A loudspeaker is placed near the open end of a pipe length 87 cm closed at its other end. Calculate…
A:
Q: The longer the sound waves are, the ______________ (lower/higher) theirfrequency is and the…
A: If the sound waves are longer, then their frequency will be lower.
Q: The intensity I of a sound is given. Find the loudness L of the sound (lo = 10-12 w/m2). |= 10-9…
A: In this question intensity of sound is given also they have given the threshold intensity we have to…
Q: a) ( ) A wave that propagates from left to right has the shape given in picture below. In this case,…
A: There are two types of wave, namely longitudinal and transverse. In longitudinal waves the motion of…
Q: If the frequency of a sound source is doubled, what happens to the wavelength? Assume the speed of…
A: Given data: A sound source New frequency (f') = 2f Speed of the sound source is constant.…
Q: Find the number of decibels for the power of the sound given. Round to the nearest decibel. A…
A: Intensity of sound due to rocket engine (I) = 2.43×10-5 Wcm2
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A: Solids vibrate when provided with some energy. This means that atoms of solids vibrate when provided…
Q: A sound wave travelling in a dense medium has a frequency of 20 KHz and a wavelength of 40 cm. What…
A: Write the expression for the speed of the waveform. Here, n represents the frequency and λ…
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: 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: The intensity of the sound from a certain leaf blower is measured at 25 × 10−2 W/m2. Find the…
A: The intensity of the sound is I = 25×10-2 W/m2
Q: How long (diameter is not significant) should a pipe organs tube be if it is to sound a 440 hz A?…
A: The Fundamental frequency is f = 440 HzIt is mentioned that the pipe is closed on 1 end and it is…
Q: (I) (a) Calculate the wavelengths in air at 20°C for sounds inthe maximum range of human hearing, 20…
A: a) The relation between the wavelength, frequency and velocity is given by,
Q: (a) Ear trumpets were never very common, but they did aid people with hearing losses by gathering…
A: a) One decibel is defined as,
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: Calculate the length of a tube using sound wave measurements.
A:
Q: The speed of a 25-kHz sound wave in seawater is approximately 1650 m/s. What is its wavelength in…
A: Given, Frequency of the sound wave = 25 KHz Speed of sound wave in seawater = 1650 m/s. We know…
Q: If the sound level in a place increased from 50dB to 60dB, by what factor has the actual intensity…
A:
Q: You see condensed steam expelled from a ship whistle 4.948 seconds before you hear the sound. If the…
A:
Q: Estimate the ratio of Bs(water)/ Bs(air) knowing approximately their ratio of mass densities and the…
A: The ratio of Bs(water)/ Bs(air) knowing approximately their ratio of mass densities and the ratio of…
Q: The area of a typical eardrum is about 5.0 × 10–5m2 . Calculate the sound power (the energy per…
A: It is given that,
Q: Equal volumes of hydrogen and oxygen are mixed. The ratio of the speed of sound in the mixture to…
A:
Q: (a) What is the speed of sound in a medium where a 100-kHz frequency produces a 5.96-cm wavelength?…
A: To determine: (a) The speed of sound in a medium. (b) What is the name of the substance for this…
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: If a wave pulse with an amplitude of 2 cm overlaps with a wave pulse that has an amplitude of -4 cm,…
A: Given data: Amplitude of first wave pulse is, A1=2 cm. Amplitude of second wave pulse is, A2=-4 cm.
Q: Approximately how many times louder (i.e., Sound Level) is a 100‐dB sound than a 60‐dB sound?…
A: Recall β=10dBlog(I/I0)
Q: (a) Ear trumpets were never very common, but they did aid people with hearing losses by gathering…
A:
Q: A piano tuner uses a tuning fork that emits sound with a frequency of 440 s-1 . Calculate the…
A: Given, Frequency of tuning fork f = 440 s-1 Velocity of sound v = 343 m/s Distance travel by sound…
Q: If the sound intensity level of a plane engine is 140 dB above the threshold of hearing. The sound…
A:
Q: A sound wave in air has a frequency of 262 Hz. How far apart are the wavecrests? Sketch the…
A:
Q: In the upper atmosphere at altitudes where commercial airlines travel, we find extremely cold…
A: Air is supposed to be diatonic.
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