Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Question
Chapter 11.7, Problem 2dT
To determine
The direction of electric field of the transmitted light.
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An electromagnetic wave from a wire antenna travels (from the reader) toward the plane of the paper. At time t = 0.0 s it strikes the paper at normal incidence. At point O and t = 0.0 s, the magnetic field vector has its maximum value, 5.01×10-8 T, pointing in the negative y-direction. The frequency of this wave is 1.17×106 Hz. What is the x-component of the associated electric field E at time t = 0.0 s? (Use the right-hand rule to determine the direction of E, and hence the sign of the x-component.)
the electric field vector of an electromagnetic wave is pointing 60 degrees above the x axis on the xy plane at a given instant. the magnitude of the magnetic field at that instant is 0.4 micro tesla. what is the magnitude of the electric field at that instant? which way is the em wave traveling? at that instant which directions is the magnetic field pointing at? find the poynting vector?
Consider a plane electromagnetic wave that is traveling vertically downward with its electric field pointing East-West. In what direction(s) does the magnetic field point?
Group of answer choices
Magnetic field not predictable
Up-down
North-South
East-West
Chapter 11 Solutions
Tutorials in Introductory Physics
Ch. 11.1 - Prob. 1TCh. 11.1 - Prob. 2aTCh. 11.1 - Prob. 2bTCh. 11.1 - Prob. 2cTCh. 11.1 - The representation that we have been using...Ch. 11.1 - Prob. 2eTCh. 11.1 - Prob. 2gTCh. 11.1 - Each of the photographs at right shows a part of a...Ch. 11.1 - Obtain a piece of paper and a transparency with...Ch. 11.2 - Obtain a pan of water and form a barrier in it...
Ch. 11.2 - Prob. 2aTCh. 11.2 - Obtain an enlargement of the diagram at right that...Ch. 11.2 - Suppose that the width of one of the slits were...Ch. 11.2 - Red light from a distant point source is incident...Ch. 11.2 - Compare the situation in part II (in which a...Ch. 11.2 - For each of the lettered points, determine D (in...Ch. 11.2 - Suppose that one of the slits were covered. At...Ch. 11.2 - The pattern produced by red light passing through...Ch. 11.2 - Consider point B, the first maximum to the left of...Ch. 11.3 - Red light from a distant point source is incident...Ch. 11.3 - In a previous homework, you found an expression...Ch. 11.3 - Suppose that the screen were semicircular, as...Ch. 11.3 - Consider a point M on the distant screen where...Ch. 11.3 - Consider a point N on the screen where there is a...Ch. 11.3 - Obtain a set of transparencies of sinusoidal...Ch. 11.3 - Suppose that coherent red light were incident on a...Ch. 11.3 - Generalize your results from the 2-slit, 3-slit,...Ch. 11.3 - Coherent red light is incident on a mask with two...Ch. 11.3 - Prob. 3dTCh. 11.4 - Red light from a distant point source is incident...Ch. 11.4 - Suppose that point X marks the location of the...Ch. 11.4 - Suppose that only slit 1 is uncovered, and all...Ch. 11.4 - Show how you could group all ten slits into five...Ch. 11.4 - Suppose that the number of slits is doubled and...Ch. 11.4 - If we continued to add slits in this way (i.e.,...Ch. 11.4 - How is this pattern different from what you would...Ch. 11.4 - Consider the following dialogue: Student 1: "l...Ch. 11.4 - The photograph at right shows the diffraction...Ch. 11.4 - The photograph at right shows the diffraction...Ch. 11.4 - Describe what you would see on the screen if the...Ch. 11.4 - If a diffraction pattern has several minima (like...Ch. 11.4 - In part A, you drew a diagram that showed how find...Ch. 11.4 - Use the model that we have developed to write an...Ch. 11.5 - The minima that occur in the case of a single slit...Ch. 11.5 - Consider the following dispute between two physics...Ch. 11.5 - A second slit, identical in size to the first, is...Ch. 11.5 - Both slits are now uncovered. For what angles will...Ch. 11.5 - Suppose that the width of both slit, a, were...Ch. 11.5 - Suppose instead that the distance between the...Ch. 11.5 - The four graphs from part C that show relative...Ch. 11.5 - Consider the relative intensity graph shown at...Ch. 11.5 - Consider the following comment made by a student:...Ch. 11.5 - You may have already noticed that the maxima are...Ch. 11.6 - Prob. 1TCh. 11.6 - Prob. 2aTCh. 11.6 - When comparing two materials of different indices...Ch. 11.6 - Consider light incident on a thin soap film, as...Ch. 11.6 - Light of frequency f=7.51014Hz is incident on the...Ch. 11.6 - Suppose that an observer were located on the left...Ch. 11.6 - Observer A is looking at the part of the film that...Ch. 11.6 - Observer B is looking at the part of the film that...Ch. 11.6 - Observer C is looking at the thinnest part of the...Ch. 11.6 - Describe the appearance of the film as a whole.Ch. 11.6 - What are the three smallest film thickness for...Ch. 11.6 - The thickness of the film is 1650 nm at the bottom...Ch. 11.7 - Look at the room lights through one of the...Ch. 11.7 - Hold a second polarizing filter in front of the...Ch. 11.7 - Do the room lights produce polarized light?...Ch. 11.7 - Suppose that you had two marked polarizers (i.e.,...Ch. 11.7 - Suppose that you had a polarizer with its...Ch. 11.7 - Prob. 2dTCh. 11.7 - An observer is looking at a light source through...Ch. 11.7 - Consider a beam of unpolarized light that is...
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Similar questions
- Which of the following accurately describes Gauss's law for the electric field and magnetic field? The net electric flux through a closed surface is proportional to the charge enclosed by the surface whilethe net magnetic flux through a closed surface is always zero. The net electric flux through a closed surface is always zero whilethe net magnetic flux through a closed surface is proportional to the current enclosed by the surface. The net electric flux through a closed surface is proportional to the charge enclosed by the surface whilethe net magnetic flux through a closed surface is proportional to the current enclosed by the surface. Both the net electric flux and the net magnetic flux through a closed surface are always zero.arrow_forwardIn a region of free space, the electric field at an instant of time is vector E = (8 i hat + 2 j hat - 6 k hat) N/C and the magnetic field is vector B = (2 i hat + 1 j hat + 3 k hat) x 10^(-8) T. a) Show that the two fields are perpendicular to each other b) Determine the Poynting vector for these fieldsarrow_forwardThe electric field of an electromagnetic wave is given by; E=4.40 × 102 sin(3.10 × 106 π (x-3.0 ×108 t)) where everything is in SI units. What is the wave's frequency and amplitude of the magnetic field associated with the TEM wave?arrow_forward
- An electromagnetic beam has an intensity 16W/m2 and is linearly polarized vertically. What is the intensity of the transmitted beam, if the angle of incidence on the polaroid is 45 degrees with the vertical? Choose the correct answer: a. 8W/m b. 12W/m c. 16W/m d. 20W/marrow_forwardThe intensity of a polarized electromagnetic wave is 10 W/m2. What will be the intensity after passing through a polarizing filter whose axis makes the following angles with the plane of polarization? (a) θ = 0°, (b) θ = 30°, (c) θ = 45°, (d) θ = 60°, (e) θ = 90°.arrow_forwardWhich of the following statements is true for the direction of polarization for a polarized light wave? a. It is parallel to the direction of propagation and perpendicular to the direction of the electric field. b. It is perpendicular to the direction of propagation and parallel to the direction of the electric field. c. It is parallel to the directions of propagation and the electric field. d. It is perpendicular to the directions of propagation and the electric field.arrow_forward
- The magnetic field of a plane electromagnetic wave moving along the z axis is given by B → = B0 (cos kz + ωt)j ^ , where B0 = 5.00 × 10−10 T and k = 3.14 × 10−2 m−1. (a)Write an expression for the electric field associated withthe wave. (b) What are the frequency and the wavelength of the wave? (c) What is its average Poynting vector?arrow_forwardAn electromagnetic wave from a wire antenna travels (from the reader) toward the plane of the paper. At time t = 0.0 s it strikes the paper at normal incidence. At point O and t = 0.0 s, the magnetic field vector has its maximum value, 5.01×10-8 T, pointing in the negative y-direction. The frequency of this wave is 1.17×106 Hz.What is the y component of the magnetic field at point O at time 4.27×10-7 s?arrow_forwardThe electric field of an electromagnetic wave points in the positive y direction. At the same time, the magnetic field of this wavepoints in the positive z direction. In what direction is the wavetraveling?arrow_forward
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