+ PSS 17.1 Interference of Two Waves Learning Goal: To practice Problem-Solving Strategy 17.1 for wave interference problems. Two loudspeakers are placed side by side a distance d= 4.00 m apart. A listener observes maximum constructive interference while standing in front of the loudspeakers, equidistant from both of them. The distance from the listener to the point halfway between the speakers is l = 5.00 m. One of the loudspeakers is then moved directly away from the other. Once the speaker is moved a distance r = 60.0 cm from its original position, the listener, who is not moving, observes destructive interference for the first time. Find the speed of sound in the air if both speakers emit a tone of frequency 700 Hz Figure d/2 d/2 1 < 1 of 1 > ✓ Correct Assess Part D Itranscript the second time? Express your answer in meters to three significant figures. ▾ View Available Hint(s) ▸Hint 1. Find the path-length difference How far (r.) from its original location should the speaker be moved for the listener to experience constructive interference for 195| ΑΣΦ T. = 8.16 Ĉ Submit Previous Answers Request Answer ? X Incorrect; Try Again; One attempt remaining 10 of 10 m Review | Constants

+ PSS 17.1 Interference of Two Waves Learning Goal: To practice Problem-Solving Strategy 17.1 for wave interference problems. Two loudspeakers are placed side by side a distance d= 4.00 m apart. A listener observes maximum constructive interference while standing in front of the loudspeakers, equidistant from both of them. The distance from the listener to the point halfway between the speakers is l = 5.00 m. One of the loudspeakers is then moved directly away from the other. Once the speaker is moved a distance r = 60.0 cm from its original position, the listener, who is not moving, observes destructive interference for the first time. Find the speed of sound in the air if both speakers emit a tone of frequency 700 Hz Figure d/2 d/2 1 < 1 of 1 > ✓ Correct Assess Part D Itranscript the second time? Express your answer in meters to three significant figures. ▾ View Available Hint(s) ▸Hint 1. Find the path-length difference How far (r.) from its original location should the speaker be moved for the listener to experience constructive interference for 195| ΑΣΦ T. = 8.16 Ĉ Submit Previous Answers Request Answer ? X Incorrect; Try Again; One attempt remaining 10 of 10 m Review | Constants

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Problem 1 Prove the vector identities V.E= jk E and VXE = jkxE for plane monochromatic waves
Problem 2 For wavelengths in the visible spectrum, the index of refraction of a cer- tain type of crown glass can be approximated by the relation n(1) = 1.5255 + (4825 nm²)/a². b. Find the phase velocity, in this glass, for a pulse with frequency com- ponents centered around 500 nm. c. Find the group velocity, in this glass, for a pulse with frequency com- ponents centered around 500 nm.
Problem 2 For wavelengths in the visible spectrum, the index of refraction of a cer- tain type of crown glass can be approximated by the relation n(A) (4825 nm²)/a². = 1.5255 + b. Find the phase velocity, in this glass, for a pulse with frequency com- ponents centered around 500 nm. c. Find the group velocity, in this glass, for a pulse with frequency com- ponents centered around 500 nm.
Two sources of electromagnetic waves (light waves) are emitting coherent waves at a frequency of 546 THz. These two sources are located a distance d apart and aimed at point A, as shown below. If the top source is located a distance 3.8 meters away from point A, find the minimum distance d that will give destructive interreference. Enter your answer in millimeters. 4₁1 Laser Laser d A
1. For the three layer problem below, prove that the reflection coefficient RTE is zero and find the transmission coefficient TTE for normally incident wave. Remember to find the phase of TrE as well as the magnitude. Show that the magnitude can be greater than, equal to, or less than one depending on /4 Region 1 Region 2 Region 3 E1, Ho E2, Ho E3, Ho E2 =
Problem 2 This problem is composed of two independent parts. For all parts of this problem, fill in the empty boxes with your answer (YOUR ANSWER MUST BE ONLY A NUMBER; DO NOT WRITE UNITS; DO NOT WRITE LETTERS). Part 1 Visible light of frequency f = 5 x 10¹4 Hz is beamed directly at a metal reflector. Light is traveling in oil, where its speed is 1.5 x 108 m/s. a) Calculate the wavelength of the visible light. X b) Consider A = 6 x 107 m. The spacing Ar between successive antinodes in the resulting stanci g-wave pattern is given by: ☎ 6 x 10-7 2 Ar E₁ x m x = = Calculate Δ.r. Part 2 A stalling wave is given by E= 400 sin(7.14x) cos ( 11.42 t). Two waves E₁ and E, can be superimposed to generate this standing wave. 772 6 x 10-7 3 Determine the wave E, as per the below: sin( t) Determine the wave En as per the below: sin( t) m 6 x 10-7 4 E₂ = c) The wavelength of this wave is 0.87 m. For a > 0, what is the location of the antinode having the smallest value of a?
Activity: 7: What I Have Learned A. Direction: Solve the following problems. Show your complete solutions legibly and concisely in a separate sheet of paper. 1. A viewing screen is separated from a double-slit source by 1.3 meter. The distance between the two slits is 0.020 mm. The second-order bright fringe (m = 2) is 2.5 cm from the center line. (a) Determine the wavelength of the light and (b) Calculate the distance between adjacent bright fringes 2. A light source emits visible light of two wavelengths: A = 400 nm and A' = 500 nm. The source is used in a double-slit interference experiment in which L = 1,2 m and d = 0.030 mm. Find the separation between the third- order bright fringes.
Two loudspeakers, A and B, are to be set-up at a distance, x, apart from each on opposite ends of a stage. A sound technician is set up at the position rB =8.50 m (as shown below) The sound equipment will work best if a test frequency of 160 Hz produces constructive interference 8.50 m directly in front of speaker B. Part A What is the minimum required path difference for the 160 Hz frequency? dp = ΕΠΙ ΑΣΦ W ? m A x stage 00 TB ok 옷 B
H.W 1. Explain why the UV light cannot be seen with the eye? 2. Explain why we do not hear the sound frequency below the limit?
Ql: A multimode step index fiber has a numerical aperture of 0.54, core diameter of 50µm and a cladding refractive index of 1.4. The LD at 1400nm was used as a source. Find: 1. Number of the modes that are travelling in the fiber. 2. Normalized frequency 3. The launching angle of the third mode of propagation (assume the reflection coefficient phase =0 degree). 4. The acceptance angle of the fiber. Q2: Calculate the output optical power for 30cm polymer waveguide if the launched optical power was -3dBm. The total loss for the waveguide was 30, 33 and 35.8dB for 10, 15 and 20cm waveguide channels lengths, respectively.
Q3. Amicrowave transmitter is used to direct microwaves of wavelength 30 mm along a line XY. A metal plate is positioned at right angles to XY with its mid-point on the line, as shown. A B C X D transmitter When a detector is moved gradually along XY, its reading alternates between maxima and minima. Which one of the following statements is not correct? The distance between two minima could be 15 mm. The distance between two maxima could be 30 mm. The distance between a minimum and a maximum could be 30 mm. The distance between a minimum and a maximum could be 37.5 mm. detector metal plate Y
ucted In factories tổ 3 Example 2.8 If measured power loss is 70 dB at do = 10m, and 110 dB at d = 100 m. What is path loss exponent, n? What environment is mostly likely? ... %3D