At the instant shown, which of the following statements best describes the relative magnitudes of the magnetic field at points 1, 2, and 3? a. B2 > B1 > B3 = 0 b. B2 > B1 = B3 > 0 c. B2 > B1 = B3 = 0 В What is the direction the wave is propagating? +x -X +y -y +z -z The wave is propagating in vacuum and has a wavelength of A = 100 nm. Determine the angular frequency, W, and the wave number, k, for the wave.
At the instant shown, which of the following statements best describes the relative magnitudes of the magnetic field at points 1, 2, and 3? a. B2 > B1 > B3 = 0 b. B2 > B1 = B3 > 0 c. B2 > B1 = B3 = 0 В What is the direction the wave is propagating? +x -X +y -y +z -z The wave is propagating in vacuum and has a wavelength of A = 100 nm. Determine the angular frequency, W, and the wave number, k, for the wave.
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)...
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Transcribed Image Text:Which of the following equations can be used to describes the electric field of the wave?
E = E
cos(kx- or)
E = E,
cos(kx + ot)
y
max
max
E, = E
cos(ky– ot)
E = E
cos(ky+wt)
%3D
max
max
cos(kz– or)
E, = E
cos(kz + wt)
= E
max
max
Transcribed Image Text:A plane electromagnetic wave is shown. The electric field points along the y-axis and the magnetic field
along the z-axis. The diagram below represents a "snapshot" of the plane wave at an instant in time. In the diagram,
points 1, 2, and 3 all lie in the x-y plane.
y
3
At the instant shown, which of the
following statements best describes the relative
magnitudes of the magnetic field at points 1, 2, and 3?
E
a. B2 > B1 > B3 = 0
В
b. B2 > B1 = B3 > 0
c. B2 > B1 = B3 = 0
What is the direction the wave is propagating?
+X
-X
+y
-y
+z
-z
The wave is propagating in vacuum and has a wavelength of A = 100 nm. Determine the angular frequency,
%3D
w, and the wave number, k, for the wave.
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