Homework Answers
The wavelength 
is related to the temperature as:
where, c = speed of light, T = Temperature
Change in wavelength = ![lambda_{2}-lambda _{1}= c [sqrt{T_{2}}-sqrt{T_{1}}] = 3 imes 10^{8}[sqrt{11+273}-sqrt{27+273}]](http://img.homeworklib.com/questions/e399df40-4680-11ea-9d09-5d763a48d344.png?x-oss-process=image/resize,w_560)
Percentage change in wavelength = 
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A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in...
A sound wave propagating in air has a frequency of 3.54 kHz. Calculate the change in...
A sound wave propagating in air has a frequency of 3.54 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T 27.0°C, enters a region where T= 15.0°C. Your response is within 10% of the correct value. This may be due to rou at least four-digit accuracy to minimize roundoff error. mm o ferror or you could have a mistake in your ca ulation carry out aï intermediate results to Need Help?Read It
Please help with these problems I don’t know what I am doing wrong A sound wave...
Please help with these problems I don’t know what I am doing
wrong
A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initia region where T-11.00. 2.55 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. mm I Need...
2 -6.25 points SerCP10 14.P.007 My No A sound wave propagating in air has a frequency...
2 -6.25 points SerCP10 14.P.007 My No A sound wave propagating in air has a frequency of 4.41 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T - 27.0°C enters a region where T 12.5°C. mm Need Help?
Please help with these questions I don’t know what I am doing wrong Notes Ask Your...
Please help with these questions I don’t know what I am doing
wrong
Notes Ask Your A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T 27.0C, enters region where T-11.0°C. Your response differs from the correct answer by more than 10%, Double check your calculations. mm Need Help? ResdN 0/1 points Prevous Answers SerCP10 14 P008 A stone is dropped from rest...
A sound wave propagating to the right has a frequency of 1.0 kHz and an amplitude...
A sound wave propagating to the right has a frequency of 1.0 kHz and an amplitude of 15 nm. What is an equation, ψ(t,x), of the wave that describes its behavior? Assume the speed of sound is 344 m/s and write your answer with only SI units.
8. A sound wave propagates in air at 27°C with frequency 4.00 kHz. It passes through...
8. A sound wave propagates in air at 27°C with frequency 4.00 kHz. It passes through a region where the temperature gradually changes and then moves through air at 0°C. Give numerical answers to the fol- lowing questions to the extent possible and state your reasoning about what happens to the wave physically. (a) What happens to the speed of the wave? (b) What happens to its frequency? (c) What happens to its wavelength? Figure P17.7
A sound wave a frequency of 20 kHz emerges through a circular opening that has a...
A sound wave a frequency of 20 kHz emerges through a circular opening that has a diameter of 0.78 m. Concepts: The diffraction angle for a wave emerging through a circular opening is given by sin(theta) = 1.22 /D, where is the wavelength of the sound and D is the diameter of the opening. What is meant by the diffraction angle? the angle that the sound wave bends away from the center before passing through the opening the location of...
A typical loud sound wave that has a frequency of 1.20 kHz has a pressure amplitude...
A typical loud sound wave that has a frequency of 1.20 kHz has a pressure amplitude of about 1.08 x10-4 atm (a) At t-0, the pressure is a maximum at some point x1. What is the displacement at that point att 07 Cm (b) Assuming the density of air is 1.29 kg/m3, what is the maximum value of the displacement at any time and place?
4. Consider the cylindrical waveguide below, which has an electromagnetic wave propagating in the space between...
4. Consider the cylindrical waveguide below, which has an
electromagnetic wave propagating in the space between the inner and
outer conductors, which is a gap where air exists. The radius of
the inner conductor is a, while the inner radius of the outer
conductor is b (as shown). The fields in the air-gap have the form
E = E0r cos (kz z ωt) B = B0r cos (kz z ωt) where E0 and B0 are
constants, r is the radial...
1. The magnetic field of a wave propagating through a certain nonmagnetic material is given by...
1. The magnetic field of a wave propagating through a certain nonmagnetic material is given by H-x30cos(10%-0. Sy) (mA/m) Find the following: (a) The direction of wave propagation. (b) The phase velocity (c) The wavelength in the material. (d) The relative permittivity of the material (e) The electric field phasor 2. A 60-MHz plane wave traveling in the -x-direction in dry soil with relative permittivity &4 has an electric field polarized along the z-direction. Assuming dry soil to be approximately...
A sound wave propagating in air has a frequency of 3.54 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T 27.0°C, enters a region where T= 15.0°C. Your response is within 10% of the correct value. This may be due to rou at least four-digit accuracy to minimize roundoff error. mm o ferror or you could have a mistake in your ca ulation carry out aï intermediate results to Need Help?Read It
Please help with these problems I don’t know what I am doing
wrong
A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initia region where T-11.00. 2.55 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. mm I Need...
2 -6.25 points SerCP10 14.P.007 My No A sound wave propagating in air has a frequency of 4.41 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T - 27.0°C enters a region where T 12.5°C. mm Need Help?
Please help with these questions I don’t know what I am doing
wrong
Notes Ask Your A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T 27.0C, enters region where T-11.0°C. Your response differs from the correct answer by more than 10%, Double check your calculations. mm Need Help? ResdN 0/1 points Prevous Answers SerCP10 14 P008 A stone is dropped from rest...
8. A sound wave propagates in air at 27°C with frequency 4.00 kHz. It passes through a region where the temperature gradually changes and then moves through air at 0°C. Give numerical answers to the fol- lowing questions to the extent possible and state your reasoning about what happens to the wave physically. (a) What happens to the speed of the wave? (b) What happens to its frequency? (c) What happens to its wavelength? Figure P17.7
A sound wave a frequency of 20 kHz emerges through a circular opening that has a diameter of 0.78 m. Concepts: The diffraction angle for a wave emerging through a circular opening is given by sin(theta) = 1.22 /D, where is the wavelength of the sound and D is the diameter of the opening. What is meant by the diffraction angle? the angle that the sound wave bends away from the center before passing through the opening the location of...
A typical loud sound wave that has a frequency of 1.20 kHz has a pressure amplitude of about 1.08 x10-4 atm (a) At t-0, the pressure is a maximum at some point x1. What is the displacement at that point att 07 Cm (b) Assuming the density of air is 1.29 kg/m3, what is the maximum value of the displacement at any time and place?
4. Consider the cylindrical waveguide below, which has an
electromagnetic wave propagating in the space between the inner and
outer conductors, which is a gap where air exists. The radius of
the inner conductor is a, while the inner radius of the outer
conductor is b (as shown). The fields in the air-gap have the form
E = E0r cos (kz z ωt) B = B0r cos (kz z ωt) where E0 and B0 are
constants, r is the radial...
1. The magnetic field of a wave propagating through a certain nonmagnetic material is given by H-x30cos(10%-0. Sy) (mA/m) Find the following: (a) The direction of wave propagation. (b) The phase velocity (c) The wavelength in the material. (d) The relative permittivity of the material (e) The electric field phasor 2. A 60-MHz plane wave traveling in the -x-direction in dry soil with relative permittivity &4 has an electric field polarized along the z-direction. Assuming dry soil to be approximately...
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