At a Certain Instant in Time,the $\vec { E }$ Field of an Electromagnetic Wave in a Vacuum Points in Field

question 27

Multiple Choice

At a certain instant in time,the $\vec { E }$ field of an electromagnetic wave in a vacuum points in the -z direction,and the $\vec { B }$ field points in the +y direction.In what direction is this wave traveling?

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

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