For a Certain Electromagnetic Wave in Free Space, at One

question 45

Multiple Choice

For a certain electromagnetic wave in free space, at one instant the electric field vector points in the +z direction while the magnetic field vector points in the +x direction, as shown in the figure. In what direction is this wave traveling?

• A) +x
• B) -x
• C) +y
• D) -y
• E) +z

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