At a Certain Instant in Time,the Electric Field of an Electromagnetic

question 22

Multiple Choice

At a certain instant in time,the electric field of an electromagnetic wave in free space points in the -z direction,and the magnetic 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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