Homework Answers
Sound wave is longitudinal wave characterized by displacement wave displacement of air molecules and longitudinal wave characterized by pressure wave
So both b and c are correct.
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Part A Sound waves are O (a) transverse waves characterized by the displacement of air molecules....
3. What is the difference between transverse and longitudinal waves? Select one: 0 a. Only longtudinal...
3. What is the difference between transverse and longitudinal waves? Select one: 0 a. Only longtudinal waves transmit matter. b. Plane waves are transverse waves while spherical waves are longitudinal. c. In transverse waves the displacement is perpendicular to the direction of propagation of the wave, while in longitudinal waves the displacement is paraliel to the direction of propagation. O d. Mechanical waves are transverse waves while electromagnetic waves are longitudinal, e. Only transverse waves transmit energy.
For sound waves in air with frequency 1000 Hz a displacement amplitude of produces a pressure...
For sound waves in air with frequency 1000 Hz a displacement amplitude of produces a pressure amplitude of . Use = 344 . a) What is the wavelength of these waves? b) For 1000-Hz waves in air, what displacement amplitude would be needed for the pressure amplitude to be at the pain threshold, which is 30 Pa? Express your answer using two significant figures. c) For what wavelength will waves with a displacement amplitude of produce a pressure amplitude of...
Problem 23.05 Part A Consider electromagnetic waves propagating in air Determine the frequency of a wave...
Problem 23.05 Part A Consider electromagnetic waves propagating in air Determine the frequency of a wave with a wavelength of 5.60 km f= Hz Submit My Answers Give Up Part B Determine the frequency of a wave with a wavelength of 5.90 μm Hz Submit My Answers Give Up Part C Determine the frequency of a wave with a wavelength of 5.40 nm Hz Submit My Answers Give Up
1) How would you describe thunder and the light from lightening as waves? -A) Thunder longitudinal,...
1) How would you describe thunder and the light from lightening as waves? -A) Thunder longitudinal, lightening transverse -B) Thunder transverse, lightening transverse -C) Thunder transverse, lightening longitudinal -D) Thunder longitudinal, lightening longitudinal 2) Suppose the longitudinal component of a wave created by an earthquake is travelling from east to west. As it passes through your position, how would you expect to move? -A) Both up and down, and north and south -B) east and west -C) north and south...
5. The longitudinal displacements of air molecules in a sound wave are described by: y-32x 10"...
5. The longitudinal displacements of air molecules in a sound wave are described by: y-32x 10" sin (3x-15000 mn where x is in meters and t is in seconds. (a) By comparing to the general form of the functions describing sound waves in Equation 1.6 and in Exercise 1.4, determine the amplitude of the longitudinal displacements, the angular wave number, the angular frequency, and the phase angle, giving the correct units for each. Find (b) the propagation speed of the...
Pre-Lab for LAB#11 Waves in air may be represented by oscillations of air molecules or of...
Pre-Lab for LAB#11 Waves in air may be represented by oscillations of air molecules or of air pressure. When representing standing waves in air, displacement nodes correspond to pressure antinodes (places of greatest pressure variation), and displacement antinodes correspond to pressure nodes (places of least pressure variation). Problem Consider a pipe that is closed at one end. Sketch the standing wave pattern in each of the following situations to show the regions of greatest and least air pressure variations (pressure...
1. The graph shown is a time-lapse representation of the displacement D of air molecules with...
1. The graph shown is a time-lapse representation of the displacement D of air molecules with respect to their equilibriun position for a longitudinal standing sound wave inside a cylindrical tube at seven different instants in time. (a) Is the tube open-open, apen-closed, closed-open, or closed-closed? What harmonic is represented? Explain your reasoning. (b) Reproduce the drawing in your notebook and clearly identify the nodes for displacement, pres- sure, and density. Explain your answers.
A light wave is like a sound wave in that both are longitudinal waves. are means...
A light wave is like a sound wave in that both are longitudinal waves. are means of transmitting energy are transverse waves require a material medium for propagation. have the same velocity in air A 60° prism has a refractive index of 1.64 for blue light and 1.61 for red light. Calculate the difference in the angle of emergence from the opposite face of the prism for a beam of red light and a beam of blue light that are...
4. Your ears detect a sound wave with a frequency of 315 Hz and a sound...
4. Your ears detect a sound wave with a frequency of 315 Hz and a sound intensity level of 80 dB. It originated in a vibrating string with a length of 1.9 meters. A) Waves can be longitudinal or transverse. What is the difference between these two kinds of waves? B) This question has one longitudinal wave and one transverse wave. Identify them. C) Recall that the sound you hear from a string is the fundamental frequency, which has a...
1. An experimenter wishes to generate in air a sound wave that has a displacement amplitude...
1. An experimenter wishes to generate in air a sound wave that has a displacement amplitude of 5.70 x 10-6 m. The pressure amplitude is to be limited to 0.850 Pa. What is the minimum wavelength the sound wave can have? (Take the equilibrium density of air to be p = 1.20 kg/m3 and assume the speed of sound in air is v = 343 m/s.) m 2. A sound wave in air has a pressure amplitude equal to 3.98...
3. What is the difference between transverse and longitudinal waves? Select one: 0 a. Only longtudinal waves transmit matter. b. Plane waves are transverse waves while spherical waves are longitudinal. c. In transverse waves the displacement is perpendicular to the direction of propagation of the wave, while in longitudinal waves the displacement is paraliel to the direction of propagation. O d. Mechanical waves are transverse waves while electromagnetic waves are longitudinal, e. Only transverse waves transmit energy.
Problem 23.05 Part A Consider electromagnetic waves propagating in air Determine the frequency of a wave with a wavelength of 5.60 km f= Hz Submit My Answers Give Up Part B Determine the frequency of a wave with a wavelength of 5.90 μm Hz Submit My Answers Give Up Part C Determine the frequency of a wave with a wavelength of 5.40 nm Hz Submit My Answers Give Up
5. The longitudinal displacements of air molecules in a sound wave are described by: y-32x 10" sin (3x-15000 mn where x is in meters and t is in seconds. (a) By comparing to the general form of the functions describing sound waves in Equation 1.6 and in Exercise 1.4, determine the amplitude of the longitudinal displacements, the angular wave number, the angular frequency, and the phase angle, giving the correct units for each. Find (b) the propagation speed of the...
Pre-Lab for LAB#11 Waves in air may be represented by oscillations of air molecules or of air pressure. When representing standing waves in air, displacement nodes correspond to pressure antinodes (places of greatest pressure variation), and displacement antinodes correspond to pressure nodes (places of least pressure variation). Problem Consider a pipe that is closed at one end. Sketch the standing wave pattern in each of the following situations to show the regions of greatest and least air pressure variations (pressure...
1. The graph shown is a time-lapse representation of the displacement D of air molecules with respect to their equilibriun position for a longitudinal standing sound wave inside a cylindrical tube at seven different instants in time. (a) Is the tube open-open, apen-closed, closed-open, or closed-closed? What harmonic is represented? Explain your reasoning. (b) Reproduce the drawing in your notebook and clearly identify the nodes for displacement, pres- sure, and density. Explain your answers.
A light wave is like a sound wave in that both are longitudinal waves. are means of transmitting energy are transverse waves require a material medium for propagation. have the same velocity in air A 60° prism has a refractive index of 1.64 for blue light and 1.61 for red light. Calculate the difference in the angle of emergence from the opposite face of the prism for a beam of red light and a beam of blue light that are...
1. An experimenter wishes to generate in air a sound wave that has a displacement amplitude of 5.70 x 10-6 m. The pressure amplitude is to be limited to 0.850 Pa. What is the minimum wavelength the sound wave can have? (Take the equilibrium density of air to be p = 1.20 kg/m3 and assume the speed of sound in air is v = 343 m/s.) m 2. A sound wave in air has a pressure amplitude equal to 3.98...
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