he magnetic field of a light wave oscillates parallel to a y axis and is given b
ID: 1908652 • Letter: H
Question
he magnetic field of a light wave oscillates parallel to a y axis and is given by By = Bm sin(kz - ?t). Which of these statements are true? (Select all that apply.) The wave travels in the positive x direction. The wave travels in the negative x direction. The wave travels in the positive y direction. The wave travels in the negative y direction. The wave travels in the positive z direction. The wave travels in the negative z direction. The associated electric field oscillates parallel to the x axis. The associated electric field oscillates parallel to the y axis. The associated electric field oscillates parallel to the z axis.Explanation / Answer
The wave travels in the positive z direction, Looking at kz - wt as time increase kz increases for the waves phase to stay constant. This is a traveling wave that goes in the positive z direction at a speed w/k The associated electric field oscillates parallel to the x axis, an electromagnetic wave is a transverse wave both the magnetic field and electric field are perpendicular to the wave's direction.
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